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OpenStudy (anonymous):
The sum if two # is 50 and their difference is 40. What are the two #?
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OpenStudy (mertsj):
How do you find a sum?
OpenStudy (anonymous):
I have no clue Thats what my math book says
OpenStudy (mertsj):
What is the sum of 3 and 2?
OpenStudy (anonymous):
?
OpenStudy (mertsj):
You find a sum by adding. You find a difference by subtracting.
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OpenStudy (mertsj):
Do you have a dictionary?
OpenStudy (mertsj):
x+y=50 x-y=40
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