MeeksMI9956 MeeksMI9956

22-02-2019
Mathematics

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The width of a rectangle is represented by 5 + 2y. The length is twice as long as the width. What is the perimeter of the rectangle? Give all correct answers

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goodperson21 goodperson21

22-02-2019

The answer is 12y+30.
Twice the width would be 10+4y, so the length is 10+4y.
To find the perimeter, we can do 2(5+2y) + 2(10+4y).
That equals 10+4y+20+8y.
Which, equals 12y+30.

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