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OpenStudy (vortish):
The perimeter of a rectangle is the sum of its four sides and if the width is 8inches and its perimeter is 42 inches what is the length
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OpenStudy (anonymous):
let the length be 'l' inches then l+l+8+8 =42 or 2l +16 =42 2l =42-16 or 2l =26 or l=26/2 or l=13 hemce length is 13 inches
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