Lloydgalapon777idn
Answered

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Krizelle is creating a rectangular pillow case the length is equal to five inches less than the width. The perimeter is 30 inches. What is the Dimension of the pillow case?​

Sagot :

Answer:

Length = 5

Width = 10

Solution:

Since she is creating rectangular pillow, the perimeter = 2L + 2W or 2(L+W)

L = W - 5

2(L+W) = 30

Substitute W for L

2(W-5+W) = 30

2W - 10 + 2W = 30

Add 10 to both sides

2W + 2W = 40

4W = 40

W = 40/4 = 10

Since we already found the Width, we can now also find the length.

Since L = W - 5, therefore the length of the pillow is 10 - 5 = 5.

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