SOLUTION: A rectangle has a perimeter of 36inches the width is four inches bigger then length. what's the length ??? someone anyone im stuckk pleassse help and thank you!!!

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Question 437709: A rectangle has a perimeter of 36inches the width is four inches bigger then length. what's the length ??? someone anyone im stuckk pleassse help and thank you!!!
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
A rectangle has a perimeter of 36inches the width is four inches bigger then length.
what's the length
:
The perimeter equation
2L + 2W = 36
:
It say's,"the width is four inches bigger then length.", therefore:
W = (L+4)
:
Replace W with (L+4) in the perimeter equation
2L + 2(L+4) = 36
simplify, divide by 2:
L + (L+4) = 18
2L = 18 - 4
2L = 14
L =
L = 7 inches is the length
:
:
Check this, width 4 inches more: 11 inches
2(7) + 2(11) = 36

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