Question

Find the value of x
25 points

Answer 1

`x = 2.5`

Explanation:

Given

The attached figure

Required

Find x

To solve for x, we make use of the following equivalent ratio

`x :3.5 = 5 : 7`

Express as fractions

`(x)/(3.5) = (5)/(7)`

Make x the subject

`x= (5)/(7)*3.5`

`x= (5)/(2)*1\\`

`x = 2.5`