SOLUTION: john can finish his homework on 10 minutes. a fellow student would finish it up at a different rate. both students working together can do the homework in 8 minutes. how long does

Question 443735: john can finish his homework on 10 minutes. a fellow student would finish it up at a different rate. both students working together can do the homework in 8 minutes. how long does it take the second student to complete the homework if working alone.
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
1/10+1/x=1/8
1/x=1/8-1/10
1/x=5/40-4/40
1/x=1/40
x=40
It takes the second student 40 minutes working alone to finish the homework..
RELATED QUESTIONS
John can finish his homework in 10 minutes. A fellow student would finish it up at a... (answered by ankor@dixie-net.com)

1. a team wom 5 of the 15 games that it played. Write the (simplied) ratio of loss... (answered by edjones)

Paul can finish a job in 2 hrs less than John. Working together they can finish it in 2... (answered by mananth)

If a teacher can finish a test 3 times faster than a student that finishes it in 40... (answered by josgarithmetic,josmiceli)

A painter can finish a painting job 2 hours longer than his fellow-painter. After... (answered by jorel1380)

9) The time spent by students on a particular E270 homework assignment follows a normal... (answered by stanbon)

My friend and I both have the same math homework one day. I work at a rate of p problems... (answered by josgarithmetic)

John can finish a job two hours longer than Cris. after working for one hour,Cris joins... (answered by josgarithmetic)

10 people finish a job in 16 hours, how many hours would it take for 8 people to finish... (answered by hovuquocan1997,edjones)