Question

Given that

5
x
:
9
=
7
:
3
Calculate the value of
x
.
Give your answer in its simplest form.

Answer 1

x=21/5

Explanation:

5x:9 = 7:3

Turn the ratios into fractions:

5x/9 = 7/3

Then cross mutiply

15x=63

x=21/5