Tessa has two babysitting jobs this summer she has worked out a schedule with each family to fit their individual needs each week Tessa babysits five hours less than the first then she does the second family on average she babysits a total of 33 hours per week how many hours does she babysit for each family

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?