Question

a loaded pick-up truck travels 70 miles to deliver a load.for the trip back,the gas mileage is 20% better due to a lighter load. write an expression for the total gas used and simplify

Answer 1

got a fan and medal 4 the right answer

Answer 2

x=mpg
g(x)= total gas used
g(x)=70/x + 70/(1.2x)
Simplifying and limiting answer to whole numbers gives:
385/3x

Answer 3

so fine answer is

Answer 4

385/3x as the simplified answer, and x = miles per gallon.

Answer 5

thx