0
If a man can do work in 8 hours while a child can do same work in 12 hour then together working they will complete the work in how many hours?
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
Juan accepted a job to roof a new house He can complete the job in 20 hours His trainee takes 25 hours to complete the job How much time should the two of them working together need to roof the house?
It will take about 11.1 hours for the two of them to complete the roofing of the house.
Worker A can complete a job in 20 hours and worker B can complete a job in 25 hours if both workers work together how long will it take them to complete the job?
The way to calculate this is to figure out what fraction each does in an hour (1/20 of the job, vs. 1/25 of the job). Add the fractions together to see how much they do together in an hour, then take the reciprocal to find out how many hours it takes them.
If one machine can complete a truckload in 2 hours and the second machine can complete a truckload in 4 hours how long would it take to complete a truckload if both machines worked on it together?
Machine # 1 works at a rate of 1/2 truckload per hour, while machine 2 works at a rate of 1/4 truckload per hour. The two machines together work at a rate of 3/4 truckload per hour complete the job 1/(3/4) = 1-1/3 hours.
Jack accepted a job to paint a new house he calculated that he can complete the job in 30 hours he hired a trainee to assist him he has seen the trainee work and estimates that the trainee working?
Jack estimates that with the trainee helping him paint the house, he can complete the job in 18 hours.
Jane needs 3 hours to clean the Smith house Her younger sister Alice can clean the house in 5 hours How long would the sisters working together need to clean the house?
~1.9 hours
Find the time for two people working together to complete half a task if it takes them 9 hours and 12 hours to complete the entire task working individually?
18/7 hrs.
Juan accepted a job to roof a new house He can complete the job in 20 hours His trainee takes 25 hours to complete the job How much time should the two of them working together need to roof the house?
It will take about 11.1 hours for the two of them to complete the roofing of the house.
Two people are shoveling a driveway one takes 3 hours to complete the job and the other takes 2 hours how long will it take them working together?
it will take them 2 hours and a half to work together on the driveways. but it depends on how far the driveways are from each other
What was one action that progressive took to help the working poor?
Supported limits on working hours Promoted laws against child labor
What is the difference in hours in a earth and Jupiter complete day?
I'm A child and i know it ,,,,,, its earths is 24 hours and Jupiter's is about 10 hours
What could Progressives do to protect the interest of the working poor?
Promote laws against child labor Lobby for a national income tax Support limits on working hours
What was on action that progressive took to help the working poor?
Supported limits on working hours Promoted laws against child labor
What action did the progressives take to help the working poor?
Progressives supported limits on working hours, and laws restricting child labor.
Worker A can complete a job in 20 hours and worker B can complete a job in 25 hours if both workers work together how long will it take them to complete the job?
The way to calculate this is to figure out what fraction each does in an hour (1/20 of the job, vs. 1/25 of the job). Add the fractions together to see how much they do together in an hour, then take the reciprocal to find out how many hours it takes them.
If Wayne completes a task in two hours and Sarah completes a task in two hours how long will it take for them to complete the task together?
4 hours
What was one action that progressive's took to help the working poor?
Supported limits on working hours Promoted laws against child labor
What was one action that the progressive took to help the working poor?
Supported limits on working hours Promoted laws against child labor
