Question 877124: A family has two cars. The first car has a fuel efficiency of miles per gallon of gas and the second has a fuel efficiency of miles per gallon of gas. During one particular week, the two cars went a combined total of miles, for a total gas consumption of gallons. How many gallons were consumed by each of the two cars that week?
Answer by josgarithmetic(39617)   (Show Source):
You can put this solution on YOUR website! You did not give the variables or numbers. This question would be a uniform rates problem for the rate as fuel efficiency. It could be done completely in symbols, but better that you indicate what is known and what is unknown, and use either values or variables, or both.
Basic idea to use would be Rv=d, R for fuel efficiency, v for gallons of fuel, d for miles traveled.
Your description indicates two totals: one for fuel and one for miles distances. You would likely obtain two equations in two unknowns.
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