SOLUTION: Three years ago, Mary was seven times as old as her sister Jane was. Two years ago, Mary was four times as old as Jane was, and one year ago she was three times as old as Jane was

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Three years ago, Mary was seven times as old as her sister Jane was. Two years ago, Mary was four times as old as Jane was, and one year ago she was three times as old as Jane was      Log On