4 in 6 houses have a dog. There are 12 houses. How many have a dog?

A: 6

B: 4

C: 8

C:8 Multiply by 2. Very easy

If 4 in six houses have a dog you can make that a fraction like 4/6.

The question is asking to have a 12 at the bottom of the fraction like x/12

to get to 12 from 6 you multiplied by 2.

Multiply 4 by 2 and that is your answer.