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The length of a rectangle is 3 times the width which algebraic expression represents the perimeter of the rectangle?

A.3x + x
B.4x
C.x+x+x+x
D.x+3x+x+3x

1 Answer

5 votes
D. x +3x+x+3x
The (x) represents the width of the rectangle,while (3x) represents the length. And when finding the perimeter you have to add which is why it's D.
User David Dal Busco
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