Angelo makes x dollars for y hours of work. sarah makes the same amount of money for 1 less hour of work. which of the following expressions represents the positive difference between the two people's hourly wage?

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?