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A rectangle is 3 times as long as it is wide. The perimeter is 60cm. Find the dimensions of the rectangle.

A rectangle is 3 times as long as it is wide. The perimeter is 60cm. Find the dimensions of the rectangle.
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5 votes
A rectangle is 3 times as long as it is wide. The perimeter is 60cm. Find the dimensions of the rectangle.

User Ben Elgar
by
7.4k points

2 Answers

2 votes
7.5cm x 22.5cm is the answer.
User Uzay
by
7.6k points
4 votes
width = x
length = 3x

2(x + 3x) = 60
4x = 60/2
4x = 30
x = 30/4
x = 7.5 cm ← width

length = 3x = 3 * 7.5 = 22.5 cm


User Robin Westerlundh
by
9.2k points
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