SOLUTION: The square of Susan's age is four times her grandfathers age. When Susan is 1.5 times as old as she is now, her grandfather will be 90. What are Susan and her grandfathers age?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: The square of Susan's age is four times her grandfathers age. When Susan is 1.5 times as old as she is now, her grandfather will be 90. What are Susan and her grandfathers age?      Log On