Question

the ratio of the length of a school ground to its width is 5 : 2 Find its length, if the width is 40 metres​

Answer 1

Answer:

100m

Step-by-step explanation:

Given the ratio of the length of a school ground to its width is 5:2.

Let the length and width be 5x and 2x.

According to the problem 2x=40

or, x=20.

Then length of the school ground is 5×20=100 m.

Answer 2

Answer:

Given,

Width of the school ground =40m

Ratio of length to width of ground =5:2.

Let,

Length of the school ground =5x

Width of the school ground =2x

40 = 2x

x = 20

∴ Length of the school ground = 5x

= 5(20)

= 100m