SOLUTION: Christine stopped for gas twice on a long car trip. The price of gas at the first station was $1.35 per gallon, and the price of gas at the second station was $1.45 per gallon. On
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Question 1045472: Christine stopped for gas twice on a long car trip. The price of gas at the first station was $1.35 per gallon, and the price of gas at the second station was $1.45 per gallon. On the trip, Chris bought a total of 20 gallons of gas and spent $27.80.
Which of the following systems models the above situation where x is the number of gallons she brought at the first station and y is the number of gallons she bought at the second station? Answer by josmiceli(19441) (Show Source):