Question

Find the number that makes the ratio equivalent to 1:2.
4:__

Answer 1

4:__
1:2 means twice as much
twice as much of 4 is 8
4:8

Answer 2

4:8

Explanation:

The 1 from the 1:2 is being multiplied by 4 for the 4:_, so the 2 from the 1:2 must also be multiplied by 4. 4 x 2 = 8