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8.

The Johnsons framed a family picture to hang on the wall. The perimeter of the frame is 72 inches. Use the formula P = 2ℓ + 2w to find the length of the frame if the width is 19 inches.


A. 15 in.

B. 17 in.

C. 20 in.

D. 19 in.

User Egoodberry
by
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1 Answer

1 vote

Answer:

B. 17 in.

Explanation:

2l + 2w = 72

2l + 2(19) = 72

2l + 38 = 72

2l = 34

l = 17

Hope this helps!

User Rtdp
by
4.0k points