Datasets:
NationalTutoringObservatory
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MathEd-PII

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volunteer
Ok! Lots of very good work here!
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volunteer
Let me ask what you meant by the green and yellow areas.
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student
green shaded and yellow shaded regions
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student
in the graph
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student
is my final answer correct?
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volunteer
Oh I see now. I didn’t see the yellow part. Let me look over that.
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volunteer
Alright. I get the same result! It is correct! Good job!
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volunteer
It looks like you started to do vertical rectangles but switched to horizontal ones. Both would probably work, but horizontal is easier here. Good job on that!
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volunteer
Is this a homework assignment?
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student
yay thanks
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student
it is
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volunteer
Great! Would you like to go on to the next problem or ask for help when you need it?
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student
this is all i have actually :))
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student
thanks so much for checking for me
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volunteer
Oh OK! Great working with you!
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student
Hi! I need help with the formula to solvin this
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volunteer
Hey! How are you doing todya?
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volunteer
*today
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student
I'm good, yourself?
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volunteer
very well
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volunteer
Can you elaborate the question? you need help with what part?
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student
like this whole thing, can you see it on the whiteboard?
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volunteer
yes i can
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volunteer
okay, so let's start with 'a'
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volunteer
can you tell me what will come here?
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student
k
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student
idk bc idk the formula idk what to do
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volunteer
okay no worries, let me help you here
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volunteer
it says a purchase increases the unpaid balance and a payment decreases it
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volunteer
look at line 1 and line 2
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volunteer
the purchase 400.50$, will it increase or decrease the balance?
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student
increase?
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volunteer
absolutely
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student
would i 2540.90 400.50
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volunteer
hence you see unpaid balance is increased 400.50 i.e. 2540.90 + 400.50 = 2941.40
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student
kk
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volunteer
yes perfect, now let's move to line 3
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volunteer
its a payment, the final balance as per line 2 2941.40, the payment 638 will increase or decrease the balance?
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student
oh nvm i did the math wrong i thought you 2540.90+291.40
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student
it'll increase
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student
400.50+638.00?
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volunteer
once you have added 400 50, the final unpaid balance 2941.40, now we will forget aboyt 400.50 and only look at it when we move to the next line
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student
ohh ok
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volunteer
As per the line, a payment decreases the unpaid balance
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student
we add that to 2941.40?
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volunteer
what should you do?
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volunteer
think about it again, its a payment
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student
oh it decreases
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student
so subtract
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volunteer
not a purchase
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volunteer
yes perfect
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student
im confused unpaid balance means it increases
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student
i thought we add
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volunteer
so what will be the ans here
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student
oh nvm unpaid decreases
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student
2941.40-638.00?
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volunteer
just go by the question, a purchase increase the unpaid balance and payment decrease it.
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volunteer
yes absolutely
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student
2303.4
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volunteer
wonderful
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volunteer
line 4
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student
now we add for the next one
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student
2303.40+930.76?
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volunteer
yes!
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student
3234.16
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volunteer
very well
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student
and is the 12 days part correct
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volunteer
look at the line one on the days part
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volunteer
from june 1 through june 7 = how many days are counted?
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student
7
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student
its 12 for 8-20
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volunteer
how do you think they calculated 7?
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student
im just counting from finger
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volunteer
what fomula they used?
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student
add
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volunteer
when you are counting on finger did you count both 1 and 7?
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volunteer
or both day 8 and day 20?
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student
i did 8 to 20
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student
so 9,10,11,12,13,14,15,16,17,18,19,20=12
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volunteer
but you missed day 8
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student
thats not how u add
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student
for instance if u add 6+2 you do 7,8 not 6,7
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volunteer
if you look at line 1, there are 7 days from June 1 through june 7
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volunteer
1,2,3,4,5,6,7
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student
so its 13?
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volunteer
you don't seem convinced, let's look at line 3 - hopw many days are from june 21 through 24?
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student
oh i see
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student
they counted 21
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student
now we 2540.90 times 7
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student
2941.40 times 13
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volunteer
Yeah, so a general rule when you need to include both the start date and end date you do : 20-8+1
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student
13
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student
20
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volunteer
if you come across any problem where it's asked to find out the no. of days from x through y (both x and Y included) = y-x+1 is the direct formula
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volunteer
Only if both first and the last date are to be included in the calculation
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student
are my calculations correct
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volunteer
yes absolutely
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volunteer
all the ans are perfect
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student
now for total do i just add all of it or
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volunteer
just add
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