Answer:
Step-by-step explanation:
A
(x-2) ^3
x^3-6x^3+12x-8
3600 miles on 240 gal
80 gal can go 1200
160 gal can go 2400
240 gal can go 3600
x=4
-3x+4x=2*4-x
x=8-x
8=x+x
8=2x
x=8/2