SOLUTION: A driver sets the cruise control at 45mph. After driving two hours he passes mile marker 20. In three hours what mile marker will he be passing?

Question 1016217: A driver sets the cruise control at 45mph. After driving two hours he passes mile marker 20. In three hours what mile marker will he be passing?
Found 2 solutions by Alan3354, fractalier:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A driver sets the cruise control at 45mph. After driving two hours he passes mile marker 20. In three hours what mile marker will he be passing?
--------------
Depends on his direction.
Also, he might make a turn.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Assuming all of the mile markers are all the same distance apart, we can write a proportion for this one:

which can be solved by cross-multiplying (or by inspection)
2x = 60
x = 30 or mile marker 30
RELATED QUESTIONS
I am driving on a highway at a constant speed. After I've been driving for 3 hours, I... (answered by KMST)
If a driver sets the car cruise control at 60 miles per hour, then how far would it... (answered by Alan3354)
If a car passes mile marker 50 in 2 hours and mile marker 200 in 6 hours how many miles... (answered by ramkikk66)
Alice leaves Denver, driving at a constant speed. After a while, she passes a mile marker (answered by ankor@dixie-net.com)
You are driving 70 miles per hour, and you notice that at 11:00 a.m., after 3 hours of... (answered by Cromlix)
A driver makes a 124 mile trip from Phoenix to Tucson with the cruise control set at... (answered by ankor@dixie-net.com)
Lets say you were out driving your new car on 316 and you noticed that you were located... (answered by macston)
When Jerome travels on the highway, he sets his cruise control at 65 mi/h. The function... (answered by fractalier)
this is for help with my daughters homework the question is every mile marker is a... (answered by scott8148)