SOLUTION: A rectangular playground has a perimeter of 128 yard. find its length if it is 31 yards wide.

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Question 349770: A rectangular playground has a perimeter of 128 yard. find its length if it is 31 yards wide.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2L+2W=128
2L+2*31=128
2L+62=128
2L=128-62
2L=66
L=66/2
L=33 ANS.
PROOF:
2*33+2*31=128
66+62=128
128=128