Asked by Malachi
The length of a rectangle is 3 times the width .The perimeter is 120 meters.Find the length and width
Answers
Answered by
R_scott
L = 3 W
2 L + 2 W = 120
substituting ... 2 (3 W) + 2 W = 120
... 8 W = 120
solve for W , then substitute back to find L
2 L + 2 W = 120
substituting ... 2 (3 W) + 2 W = 120
... 8 W = 120
solve for W , then substitute back to find L
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