SOLUTION: a rectangle is 3 times as long as it is wide. the premiter is 60 cm. Find the length of the rectangle

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Question 257691: a rectangle is 3 times as long as it is wide. the premiter is 60 cm. Find the length of the rectangle
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2x+2(3x)=60
2x+6x=60
8x=60
x=7.5 cm
3x=22.5 cm