SOLUTION: The length of a rectangle is 4 times its width. If the perimeter is 60m, find its area?

Question 830589: The length of a rectangle is 4 times its width. If the perimeter is 60m, find its area?
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
We're given the following information:
L = 4W
The perimeter is a fence. It needs 2 pieces for the length and 2 pieces for the width. 2L + 2W = 60
Since we know that L = 4W, let's substitute that value into the equation.
2(4W) + 2W = 60
8W + 2W = 60
10W = 60
Divide by 10 on each side:
W = 6
If W = 6, then L = 4 times that, or 24.
.
Now that we have the measurements, we can find the area by multiplying Length by Width.
6 * 24 = 144

PS No apostrophe for "its" unless it's "it is". His, hers, its (no apostrophes for the genitive case for pronouns.)
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