SOLUTION: Hello. I have been struggling with a question for a while and I am getting frustrated. The question is: "The sum of the ages of John and Mary is 32. Four years ago, John was twice

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Hello. I have been struggling with a question for a while and I am getting frustrated. The question is: "The sum of the ages of John and Mary is 32. Four years ago, John was twice      Log On

Let John’s age be J

Then Mary’s is: 32 – J

We then get: J – 4 = 2(32 – J – 4)

J – 4 = 2(28 – J)

J – 4 = 56 – 2J

J + 2J = 56 + 4

3J = 60

J, or John is: 

Mary is: