SOLUTION: 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 w

Algebra ->  Equations -> SOLUTION: 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 w      Log On


   

Question 449140: 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 1150 miles, for a total gas consumption of 50 gallons. How many gallons were consumed by each of the two cars that week?
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
a+b=50
25a+20b=1150
a=30
b-20