The Official SAT Question of the Day™

A gasoline tank on a certain tractor holds 16 gallons of gasoline. If the tractor requires 7 gallons to plow 3 acres, how many acres can the tractor plow with a tankful of gasoline?

A. 6 6/7
B. 7 1/6
C. 7 1/3
D. 10 2/3
E. 37 1/3

Answer is A

Here's Why:

In the question, you are told that 7 gallons of gasoline can plow 3 acres and you are asked to find how many acres, call it x, can be plowed by 16 gallons. You can set up a ratio of the number of gallons of gasoline used to the number of acres plowed. Therefore, you have = . Cross-multiplying and solving for x gives you the answer of x = acres, or 6 acres.


Difficulty: Easy
Question Type: Standard Multiple Choice