PLEASE HELP! The sum of Louise’s age and Todd’s age is 34 years. Five years ago, the sum of twice Louise’s age and three times Todd’s age was 61 years. How old are they now?

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?