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

Answer:

Ratio = 7:5

let the length be 7x and width be 5x,

A/Q,

5x=20.5

x=20.5/5

x=4.1cm

therefore, the length of the paper =7×4.1

=28.7cm