Question

Frank is filling up his gas tank with gas. The cost of gas is $3.50 for every one gallon. Frank’s car takes 11 gallons of gas to fill up. His car is empty and he only has $30. How much money is Frank short to fill up his tank?

Answer 1

Even though it was a bit too expensive for me

Answer 2

8.5

Explanation:

3.5 * 11 = 38.5

38.5 - 30 = 8.5

And I dont think the professors in college are doing a very good job if they are asking you this. (unless im wrong)