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BUTACJUDITH397IN
Answered

3. Find the dimensions of a rectangle if the length is 7 inches more than the width and the perimeter is 54 inches.​

Sagot :

SHINALCANTARAIN

Answer:

l = 17 inches, w = 10 inches

Step-by-step explanation:

P = 2(l +w)

l = w + 7

P = 54

Substitute

54 = 2(w + 7 + w)

54/2 = 2w + 7

Transpose

2w = 54/2 - 7

2w = 27 - 7

2w = 20

w = 20/2

w = 10 inches

Substitute w = 10 inches

l = w + 7

l = 10 + 7

l = 17 inches

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