Question

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

Answer 1

Step-by-step explanation:

let length be x

So according to the question

7/5=x/20.5

by cross multiplication

5x=143.7

x=143.7/5

x=28.7

so length is 28.7

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