SOLUTION: Sam is 5 times as old as his sister. In 10 years time, Sam will be 12 years less than thrice his sister's age then. How much older is sam than his sister?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Sam is 5 times as old as his sister. In 10 years time, Sam will be 12 years less than thrice his sister's age then. How much older is sam than his sister?      Log On