SOLUTION: Max was drove for 3hrs on a freeway, then decreased his speed by 20mph & drove for 3 more hours. If the total trip was 324 miles, what was his speed on the freeway?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Max was drove for 3hrs on a freeway, then decreased his speed by 20mph & drove for 3 more hours. If the total trip was 324 miles, what was his speed on the freeway?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 431022: Max was drove for 3hrs on a freeway, then decreased his speed by 20mph & drove for 3 more hours. If the total trip was 324 miles, what was his speed on the freeway?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Let x represent his speed on the freeway & his speed off freeway be(x-20mph)

 Question states*** reduced speed to (x-20)mph when off the freeway for last 3hrs

 3x + 3(x-20mph) = 324

     6x = 384

      x =64mph, freeway speed