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24-09-2018
Mathematics

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A rectangular strip of paper has a perimeter of 62 centimeters. If the sum of the length and twice the width is 42 centimeters, find the length of the piece of paper.

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sqdancefan sqdancefan

24-09-2018

The perimeter (62 cm) is twice the length plus twice the width.

The length plus twice the width is given as 42 cm. The difference between these sums is the length, 20 cm.

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