SOLUTION: A 20 foot piece of string is cut into two pieces so that one piece is 5 feet longer then the other . If the shorter piece is 8 feet long find the length of both pieces!

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Question 388138: A 20 foot piece of string is cut into two pieces so that one piece is 5 feet longer then the other . If the shorter piece is 8 feet long find the length of both pieces!
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
First problem,
A%2BB=20
B=5%2BA
Substituting,
A%2B5%2BA=20
2A=15
highlight%28A=15%2F2%29
Then,
B=5%2B15%2F2
B=10%2F2%2B15%2F2
highlight%28B=25%2F2%29
A is 7.5 feet long, B is 12.5 feet long.
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Second problem,
A%2BB=20
8%2BB=20
highlight_green%28B=12%29
A is 8 feet long, B is 12 feet long.