Question 14259: Tim has completed 2/3 of his math homework. If Tim has completed 12 problems, how many problems were on his homework? Answer by Alwayscheerful(414) (Show Source):
You can put this solution on YOUR website! You should set up an equation.
2/3=12
Then 2/3X=12
Get rid of the 2/3 fraction by multiplying it by it's recipricol (flip the fraction upside-down.)
You should end up with X=12*3/2
Then X = 18