Answer:
-4 + 15x or alternately 15x - 4
4.1*4.1*6=100.86 inches^2
First, find the unit rate. Do 121 divided by 5.5 gallons of gas. This equates to 22 miles per gallon. Then, do 22*13, because you are finding how many miles you can go with 13 gallons of gas. Therefore, you would be able to go, 286 miles in total.
