A rectangle has a a perimeter of 72 ft. The length and width are scaled by a factor 3.5. What is the perimeter of the resulting rectangle?

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asked May 21, 2018 149k views

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Zelphir Kaltstahl · Answer 1 · 2018-05-23T07:42:41+0000

If the first rectangle has length, l, and width w then its perimeter is given by the following relation
2l+2w=72 divide by 2 on both sides so that the relation now becomes l+w=36
If l and w are scaled by a factor of 3.5, the new measurements of your resulting rectangle will 3.5l+3.5w-->3.5(l+w)

A rectangle has a a perimeter of 72 ft. The length and width are scaled by a factor 3.5. What is the perimeter of the resulting rectangle?

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