SOLUTION: the length of a rectangle is three times the width. the perimeter is 49 units. find the length

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Question 314929: the length of a rectangle is three times the width. the perimeter is 49 units. find the length
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=3W
P=2L+2W
49=2(3W)+2W
49=6W+2W
49=8W
8W=49
W=49/8 ANS.
L=3*49/8
L=147/8 ANS.
Proof:
49=2*147/8+2*49/8
49=(294+98)/8
49=392/8
49=49