SOLUTION: Jeff is 1 year older than twice Mary's age. The sum of their gas is 16. How old is Mary? I tried working out the problem and was unsure how to solve it. Please may I have help.

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Jeff is 1 year older than twice Mary's age. The sum of their gas is 16. How old is Mary? I tried working out the problem and was unsure how to solve it. Please may I have help.      Log On