Assume you had been buying gasoline for $2.50 per gallon and it went up to $2.60

Question

Assume you had been buying gasoline for $2.50 per gallon and it went up to $2.60 per gallon at the station you usually go. As the price of gasoline goes up, some people are willing to drive farther to fill their tank in order to save money. In your GPS, there is a gas station close by that is offering $2.52 per gallon. Your car gets 23 miles per gallon (MPG). (a) How far out of your way (one way) could you afford to drive (in miles) to a gas station that has $2.52 per gallon to break even if you will up with 20 gallons of fuel? Since you are going out of your way, you have to drive back the same distance (b) which gas station will you choose?

Explanation / Answer

gain per gallon= $0.08 total gain on 20 gallons=$1.60

with this gain, amount of fuel that can be bought= 1.60/2.6= 0.625 gallons

Car can travel 14.375 miles extra with this fuel. One way trip = 7.1875 miles

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