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12-08-2017
Mathematics

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Perimeter of 60 , length is 3 times the width, what are the dimensions

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Аноним Аноним

18-08-2017

Length - l

Width - w

Given,

Perimeter = 60

2(l +w) = 60

l + w = 30

l = 30 - w

Given,

l = 3w

30 - w = 3w

4w = 30

--- w = 7.5

--- l = 3w = 3 * 7.5 = 29.5

Hence, the length of the rectangle is 29.5 and the width is 7.5

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