Question

If the ratio of the length of a rectangle to its width is

9/4 and it’s length is 18 cm, what is the width of the rectangle?

Answer 1

The answer is 8.

Explanation:

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This was the correct answer.

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Answer 2

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Answer:

8 cm

Explanation:

It is convenient to write the proportion with the unknown (width) on top:

width/length = 4/9 = w/(18 cm)

Multiplying by 18 cm gives ...

w = (18 cm)(4/9) = 8 cm

The width of the rectangle is 8 cm.