A family has two cars. The first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of
35 miles per gallon of gas. During one particular week, the two cars went a combined total of 1175 miles, for a total gas consumption of 45 gallons. How many gallons were consumed by each of the two cars that week?
First you woyld find how many hours total he worked. Then take the number of hours and multiply by the pay earned per hour. They would make $360 per week.