SOLUTION: The length of a rectangle is four times the width. the perimeter is ninety cm. what is the width and length.

Question 260985: The length of a rectangle is four times the width. the perimeter is ninety cm. what is the width and length.
Found 2 solutions by rfer, solver91311:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
90=2x+2(4x)
90=2x+8x
90=10x
x=9 cm
4x=36 cm
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

The perimeter of a rectangle is given by:

But we are given that:

and the perimeter is 90, so:

Just solve for

John

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