Frederica used 13.4 gallons of gasoline to drive 448.9 miles. What was the average number of miles she drove per gallon of gasoline?
Frederica averaged 33.5 miles per gallon of gasoline.
She drove a total of 448.9 miles and used 13.4 gallons of gasoline. By dividing the total miles driven by the number of gallons used, we can calculate the average miles per gallon.
This is incorrect because if Frederica's car had an average of 3.4 miles per gallon, she would have needed approximately 132 gallons of gasoline to travel 448.9 miles, far more than the 13.4 gallons she actually used.
This is the correct answer. By dividing the total miles Frederica drove (448.9 miles) by the amount of gasoline she used (13.4 gallons), we get an average of approximately 33.5 miles per gallon. This means that for every gallon of gasoline used, Frederica was able to drive an average of 33.5 miles.
This option overestimates the fuel efficiency of Frederica's car. If she were able to drive 60.15 miles for every gallon of gasoline, she would have only used around 7.5 gallons for the 448.9-mile trip, not the 13.4 gallons that she did use.
This answer is not correct. If Frederica was able to drive 435.5 miles per gallon, she would have only required a little over 1 gallon of gasoline to cover the 448.9 miles. This is significantly less than the 13.4 gallons she actually used.
To find the average miles per gallon, we divide the total miles driven by the number of gallons used. In this case, Frederica drove 448.9 miles and used 13.4 gallons of gasoline, resulting in an average of approximately 33.5 miles per gallon. The other options either overestimate or underestimate the fuel efficiency of Frederica's car.
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