.The side lengths of a rectangular sandbox in Sunnyland Park are 15 feet and 8.5 feet. Determine the perimeter of the sandbox.

A: 42 feet

B: 47 feet

C: 46.5 feet

D: 49.5 feet

Correct Answer : B

We can calculate the perimeter of the sandbox by using the formula Perimeter=(length+width)×2

. We know that the

length is =15 feet

 the width =8.5 feet

so we can plug these values into the formula in order to solve for Perimeter. Our formula now becomes

P=2(l+w)

 Perimeter=(15+8.5)×2

 which simplifies to 47, or 47 feet.

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