SOLUTION: You have 2 piles of coins. 40 times the difference of the coins in each pile is equal to the difference of the squares of the number in each pile. How many coins do you have total?

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Question 278010: You have 2 piles of coins. 40 times the difference of the coins in each pile is equal to the difference of the squares of the number in each pile. How many coins do you have total?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
40*(x-y)=x^2-y^2
x+y=40