The length of a rectangular frame is 8 cm more than the width. The area inside the frame is 65 square cm. Find the width of the frame.

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asked Jan 3, 2018 64.1k views

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Jesse Amano · Answer 1 · 2018-01-06T23:59:36+0000

L+8=W
L*W=65
sub W from the first equation to second one
L*(L+8)= 65
L^2+8L =65 L^2+8L -65 =0 L=-13 and L=5, length cannot be negative so L=5 is the answer
sub this value in the first equation W=13

The length of a rectangular frame is 8 cm more than the width. The area inside the frame is 65 square cm. Find the width of the frame.

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