Question

What is the new ratio?
6:12= 20: ?

Answer 1

6:12 = 20:40

Explanation:

`(6)/(12) =(20)/(y)`

6:12 = 20:y

Cross multiply.

6 × y = 12 × 20

6y = 240

6y ÷ 6 = 240 ÷ 6

y = 40