The length of a rectangle is 5 5 inches more than the width. the perimeter is 42 42 inches. find the length and the width.

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10-01-2018
Mathematics

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The length of a rectangle is 5 5 inches more than the width. the perimeter is 42 42 inches. find the length and the width.

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wuzzleluver wuzzleluver · Answer 1 · 2018-01-11T19:37:58+01:00

wuzzleluver wuzzleluver

11-01-2018

The length of a rectangle is 5 more than the width(w). The Perimeter(P) is 42 inches.

width= w
length= w+5

P=42= 2w+2l
1/2P= 21=w+l (plug in for "l")
21= w+ w+5
21= 2w+5
16= 2w
w= 8 inches
length= w+5= 8+5= 13 inches

Answer:
This rectangle has a length of 13 inches and a width of 8 inches.

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