Question

Express in the form

1
:
n
.
Give
n
as a decimal.
10
:
4

Answer 1

n=0.4

Explanation:

10:4=5:2

to make 5 as 1, we will divide both 5 and 2 by 5

`(5)/(5)`:
`(2)/(5)`=1:n

therefore, n=
`(2)/(5)` = 0.4