SOLUTION: A call for help reached two police cars at the same time. Car A is 35 km from the crime scene and travels at 90 kph. Car B is 28 km from the crime scene but its average maximum spe

Question 385341: A call for help reached two police cars at the same time. Car A is 35 km from the crime scene and travels at 90 kph. Car B is 28 km from the crime scene but its average maximum speed is only 80 kph. Which of the two cars will reach the crime scene earlier? Why?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
A call for help reached two police cars at the same time. Car A is 35 km from the crime scene and travels at 90 kph. Car B is 28 km from the crime scene but its average maximum speed is only 80 kph. Which of the two cars will reach the crime scene earlier? Why
...
t = d/r
car A time = 35/90
t= 0.388 hours =23.3 minutes
..
Car B time = 28/90
= 0.35 hours = 21 minutes
..
You know who reaches first.
...
m.ananth@hotmail.ca

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