SOLUTION: don can drive 100 miles to work in the same amount of time that it takes him to drive 60 miles to his friends house. He drives 20 mph slower to his friends house than when he drive

SOLUTION: don can drive 100 miles to work in the same amount of time that it takes him to drive 60 miles to his friends house. He drives 20 mph slower to his friends house than when he drive

Algebra.Com

Question 1061459: don can drive 100 miles to work in the same amount of time that it takes him to drive 60 miles to his friends house. He drives 20 mph slower to his friends house than when he drives to work. How fast does he drive to work?
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
Let s be the speed don goes when going to work. Then:
100/s=60/s-20
100s-2000=60s
40s=2000
s=50 mph going to work; 30 mph going to his friends. ☺☺☺☺
RELATED QUESTIONS
Sarah can drive 286 miles in the same amount of time it takes Louis to drive 260 miles.... (answered by richwmiller)

A man drives a car 24 mph faster than he rides his bicycle. It takes him the same amount... (answered by ankor@dixie-net.com)

Shayan takes 20 minutes to get to work, which is 7 miles away. if he drives at the same... (answered by ikleyn)

Frank rides his bike 12 miles an hour faster than he walks. He can bike from home to work (answered by ankor@dixie-net.com)

jim drive 70 miles in 2 hours. if he can keep the same pace , how long will it take him... (answered by jim_thompson5910)

Kent drives his Mazda 114 miles in the same time that it takes Dave to drive his Nissan... (answered by mananth)

1. If it takes 5 hours to travel 250 miles, how long will it take to travel 900 miles? (answered by josmiceli)

Frank rides his bike 4 mph faster than he walks. He can bike from home to work in thesame (answered by ankor@dixie-net.com)

Because of the traffic Kurt can drive home from work 20 miles faster than he can drive to (answered by htmentor)