SAT ? of the Day

Read the following SAT test question, then click on a button to select your answer.

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?

1. 6


2. 7


3. 7


4. 10


5. 37

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
  
  (Mathematics)