SOLUTION: Write a proportion and solve. Show all work. Make sure to label your answer. Mark drove 168 miles on 5 gallons of gas. If his tank holds 13 gallons of gas, how far can he tr

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Write a proportion and solve. Show all work. Make sure to label your answer. Mark drove 168 miles on 5 gallons of gas. If his tank holds 13 gallons of gas, how far can he tr      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 813303: Write a proportion and solve. Show all work. Make sure to label your answer.
Mark drove 168 miles on 5 gallons of gas. If his tank holds 13 gallons of gas, how far can he travel on a full tank?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Mark drove 168 miles on 5 gallons of gas.

how far can he travel on a 13 gal full tank

Let x represent the distance he can travel on a full tank 

Questions Sets Up the Proportion

5%2F168+=+13%2Fx   |  Cross Multiplying to solve

  5%2Ax+=+13%2A168

  x+=+13%2A168%2F5