Question

i go to college and it take 40 to 45 gallon every monthto go to college, some time cost of the gallon varies 2.96 to 3.61 /gallon . what would be my weakly cost to drive college.
please answer . i come up with 21 dolor.Am i right or miss some thing .

Answer 1

Average cost per gallon:
(2.96 + 3.61)/2 = 3.29

Average gallons:
42.5

42.5 * 3.29 = ? average cost per month

I assume your native language is not English.