Question 431022
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
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