if a truck going 60 mph travels 480 miles on 25 gallons of gas how far can it travel on 45 gallons of gas

Question

please someone help me with this one

Answer 1

You can set up a proportion and solve for x:

 

45 gallons           x miles

---------------  =  --------------

25 gallons         480 miles

 

Or you can compute the unit rate:

 

480 miles        

-------------  =  19.2 miles per gallon

25 gallons

 

(19.2 mpg)*(45 gallons) = ______ miles