Question

What is 9 : 45 = 6 : ?

Answer 1

x = 30

Explanation:

a ratio is just a fraction

9:45 = 9/45

6:x = 6/x

now you have 9/45 = 6/x

cross multiply:

9 * x = 45 * 6

9x = 270

divide both sides by 9

9x/9 = 270/9

x = 30

Answer 2

Answer:6:45

Explanation: