SOLUTION: Greg lives 25 miles from school. One day he takes the bus to school and returns home by car. His total travel time is 1 1/2 hours. If the car travels at twice the rate of the bus,

Question 634461: Greg lives 25 miles from school. One day he takes the bus to school and returns home by car. His total travel time is 1 1/2 hours. If the car travels at twice the rate of the bus, find the average rates of the bus and car.
Answer by graphmatics(170) (Show Source): You can put this solution on YOUR website!
Let x be the mph speed of the bus. Then 2x is the speed of the car. 25/x is the travel time of the bus and 25/(2x) is the travel time of the car. So

So the bus speed is 25 mph and the car speed is 50 mph.
RELATED QUESTIONS
Greg lives 25 miles from school. One day he takes the bus to school and returns home by... (answered by richwmiller)

Barry lives 26 miles from school. He walks a mile to the bus stop and takes the bus,which (answered by ankor@dixie-net.com)

jonathan lives on a farm he travel 3km 500 m by bus and then he has to walk the rest of... (answered by ikleyn)

Marcus drives to school at an average speed of 24 miles per hour and returns home along... (answered by Alan3354,jorel555)

Geffory drove 60 miles per hour on the way to visit his parents. On the way back to... (answered by solver91311)

A boy goes to school either by bus or on foot. If one day he goes to the school by bus.... (answered by greenestamps)

Greg missed the school. He called the cipper cab company. The cab company charged a flat... (answered by Amayaroka1237)

How do I set up this equation? Dumi travels 62 miles each day from his house to school. (answered by ankor@dixie-net.com)

Alexander is riding his bicycle to school. After one mile , he is 1/3 of the way there. (answered by josgarithmetic,greenestamps)