SOLUTION: One number is 4 more than another. The difference between their squares is 120. What are the numbers?

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Question 999696: One number is 4 more than another. The difference between their squares is 120. What are the numbers?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.B=A%2B4
2.B%5E2-A%5E2=120
Substituting,
%28A%2B4%29%5E2-A%5E2=120
A%5E2%2B8A%2B16-A%5E2=120
8A=104
A=13
Then,
B=13%2B4
B=17