SOLUTION: Find two numbers whose sum is 66 and whose difference is 12. We will call the two numbers x and y x=? y=?
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Question 175997
:
Find two numbers whose sum is 66 and whose difference is 12.
We will call the two numbers x and y
x=?
y=?
Answer by
Alan3354(69443)
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Find two numbers whose sum is 66 and whose difference is 12.
We will call the two numbers x and y
x=?
y=?
------------
x+y = 66
x-y = 12
Add them
2x = 78
x = 39
y = 27