Question

Gallon of gas cost 4$ carols car can drive 20 miles per gallon. what is the cost to drive 30 miles

Answer 1

Answer: It costs $6 to drive 30 miles.

Explanation:

$4 per 20 miles

20/4 = 5

1$ per 5 miles

30/5 = 6

6 * 5 = 30