SOLUTION: A red car is travelling 24 mph faster than a blue car. They left their respective cities, which are 650 miles apart, at the same time, and will arrive in the same city in 5 hours.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A red car is travelling 24 mph faster than a blue car. They left their respective cities, which are 650 miles apart, at the same time, and will arrive in the same city in 5 hours.       Log On


   

Question 260953: A red car is travelling 24 mph faster than a blue car. They left their respective cities, which are 650 miles apart, at the same time, and will arrive in the same city in 5 hours. Find the rate at which the red care is travelling.
Answer by Greenfinch(383) About Me  (Show Source):
You can put this solution on YOUR website!
650 miles in 5 hours is 130 mph.
Red car is doing X mph, other is doing X - 24 mph
Total speed is 2X + 24 = 130
so 2X = 154 or 72 mph, (Blue car is doing 48 mph)