SOLUTION: For a car moving at a constant speed, the distance traveled varies directly with the time spent driving. If such a car travels 135 miles in 3 hours, how long does it take t

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Question 1105875: For a car moving at a constant speed, the distance traveled varies directly with the time spent driving. If such a car travels
135
miles in
3
hours, how long does it take to travel
180
miles?

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
D=k*t
135=k*3
k=45 and it is 45 mph
180=45*t
t=4 hours.