PaulinaR PaulinaR

26-02-2018
Mathematics

contestada

he short sides of a rectangle are 2 inches. The long sides of the same rectangle are three less than an unknown number of inches.

If the perimeter of the rectangle is 22 inches, what is the value of the unknown number?

a0 inches

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sqdancefan sqdancefan

26-02-2018

The sum of two adjacent sides is 11 inches, so the long sides are 9 inches. The "unknown number" must be 12.

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