Ecneixneixnwism1345 Ecneixneixnwism1345

04-12-2017
Mathematics

contestada

The rectangle shown has a perimeter of 64 cm and the givin area. It's length is 7 more than four times it's width

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kritter1 kritter1

04-12-2017

Let x be width;

Lenth: 7x

P=2(l+w)
64=2(x+7x)
64/2=8x
32/8=x
4=x

Therefore, the width is 4 cm and the length (7*4)=28 cm.

Hope I helped :)

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