SOLUTION: You drive out the parking lot at school onto A street at 25mph on the way home. You have to turn around and go back to get something. You then drive back at 50mph. If the whole tri

Question 486072: You drive out the parking lot at school onto A street at 25mph on the way home. You have to turn around and go back to get something. You then drive back at 50mph. If the whole trip takes 1 hour, how far away were you when you turned around?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
n+2n=1
3n=1
n=1/3
40 min @ 25 mph=20 min @ 50 mph
40 min+20 min=1 hour
2/3 hour X 25 mph=16.67 miles
1/3 X 50=16.67 miles
You drove 16.67 miles each way.
RELATED QUESTIONS
You and your best friend decide to go on a bike ride. You start at your house and ride 6... (answered by richwmiller)

A road runs southeast-northwest. A motor home heading northwest on the road makes a left... (answered by Alan3354)

A road runs southeast-northwest. A motor home heading northwest on the road makes a left... (answered by KMST)

you are out jogging in the city. you start out by running 8 miles north and 3 miles... (answered by CubeyThePenguin)

You and a friend are 400 m away from school, walking together toward home at a speed of... (answered by mananth)

You drive home at an average speed of 30mph to get a take-out pizza in town. You drive... (answered by stanbon)

Please help me solve this problem: Suppose it took you 30 minutes less to drive the 40... (answered by mananth)

Anayet Is drive me to work from home and realizes he left his wallet at home when he is... (answered by greenestamps)

Alvin can go upstream at a rate of 20 miles per hour and downstream at a rate of 30 miles (answered by lwsshak3)