Question

Express in the form 1 : n . Give n as a decimal. 20 : 15

Answer 1

n=0.75

Explanation:

Answer 2

1 : 0.75

Explanation:

Given the ratio

20 : 15 ← divide both parts by 20

`(20)/(20)` :
`(15)/(20)`

= 1 : 0.75