Question

7. The ratio between the length and width of a rectangular sheet of paper is 7:5.
the width of the sheet is 20.5 cm, find its length.
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Answer 1

Step-by-step explanation:

Let the length of the sheet be x

Then the ratio length to width is x:20.5 cm

According to given statement,

x:20.5 cm=7:5

Using cross product rule.

Product of extremes =Product of means

x×5=20.5 cm×7

x×5=143.5 cm

x=28.7 cm

Hence, length of the sheet =28.7 cm

Answer 2

Step-by-step explanation:

Length = 20.5/5 * 7cm = 28.7 cm

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