About 42% of a paint mix is white. A painter orders 18 gallons of the paint mix. How much of it is white?

There are a few ways to do this ...

1) How Much is 1%? (0.18) and multiply it by the percentage

0.18*42=7.56. You could also do it by 10%s as well.

2) You could also multiply 18*0.42