SOLUTION: Mari and Jen each work 20 hours a week at different jobs. Mari earns twice as much as Jen. together they earn $480.00. How much does each girl earn in a week?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Mari and Jen each work 20 hours a week at different jobs. Mari earns twice as much as Jen. together they earn $480.00. How much does each girl earn in a week?      Log On