Given the equation:

since both bases are 6, we can equate both exponents to get the following equation:

solving for x, we get:

therefore, the solution of the equation is x = 4
(To any other people, please correct me if I'm wrong) I believe that the answer would be at the rate of 24.4 miles per gallon
Answer: The answer is 570in
Step-by-step explanation:You do 3*18=54
3*11=33
11 *18=198
Add them together to get 285
Times by two to get 570