SOLUTION: Tim has completed 2/3 of his math homework. If Tim has completed 12 problems, how many problems were on his homework? i need an accurate equation so I can study for a test. tha

Question 14260: Tim has completed 2/3 of his math homework. If Tim has completed 12 problems, how many problems were on his homework?
i need an accurate equation so I can study for a test. thanks for your help
Answer by Alwayscheerful(414) (Show Source): You can put this solution on YOUR website!
You should set up an equation.

Then 2/3X=12
Get rid of the 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
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