SOLUTION: The Jeffersons drove from their house to Quebec at 75 km/h. When they returned, the traffic was heavier and they drove at 50 km/h. If it took them 1 h longer to return than to go

Algebra ->  Linear-equations -> SOLUTION: The Jeffersons drove from their house to Quebec at 75 km/h. When they returned, the traffic was heavier and they drove at 50 km/h. If it took them 1 h longer to return than to go      Log On


   



Question 142260: The Jeffersons drove from their house to Quebec at 75 km/h. When they returned, the traffic was heavier and they drove at 50 km/h. If it took them 1 h longer to return than to go, how long did it take them to drive home?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x/75+1=x/50
x/75-x/50=-1
(50x-75x)/75*50=-1
-25x=-3750
x=-3750/-25
x=150 km. is the distance driven.
proof
150/75+1=150/50
2+1=3
3=3