Question

A family 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 20 miles per gallon of gas. During one particular week, the two cars went a combined total of 975 miles, for a total gas consumption of 45 gallons. How many gallons were consumed by each of the two cars that week?

Answer 1

I got 30 and 15 as an answer

Answer 2

Would this be correct?

Answer 3

lemme work it out. ill type out the steps first.

Answer 4

set up two equations.
x=first car's gallons consumed
y=second car gallon consumed.
x+y=45
25x+20y=975

Answer 5

x=15 y=30 you're right.

Answer 6

thank you