Three workers
Three people - A, B, C . A and B can do a piece of work in 18 days, B and C can do it in 24 days, A and C can do it in 36 days.In how many days B alone can finish the work?
Correct answer:
Showing 1 comment:
Dr Math
Ahother steps:
A + B can do in 18 days ,
B + C can do it in 24 days ,
A + C can do it in 36 days.
A+B+C do/day = (1/18+1/24+1/36)/2 = (4+3+2)/72 = 1/16
B does/day = 1/16-1/36 = (9-4)/144 = 5/144
B can do in 144/5 = 28.8 days
A + B can do in 18 days ,
B + C can do it in 24 days ,
A + C can do it in 36 days.
A+B+C do/day = (1/18+1/24+1/36)/2 = (4+3+2)/72 = 1/16
B does/day = 1/16-1/36 = (9-4)/144 = 5/144
B can do in 144/5 = 28.8 days
Tips for related online calculators
Looking for calculator of harmonic mean?
Looking for a statistical calculator?
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?
Do you want to convert time units like minutes to seconds?
Looking for a statistical calculator?
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?
Do you want to convert time units like minutes to seconds?
You need to know the following knowledge to solve this word math problem:
Units of physical quantities:
Themes, topics:
Grade of the word problem:
Related math problems and questions:
- A piece of work
12 men or 18 women can do a piece of work in 14 days, then how long 8 men and 16 women take to finish the work? - Three workers
A can do a work in 16 hours, and B alone in 24 hours. If A, B, and C work together and finish it in 8 hours, then C alone can finish it in how many hours? - Reconstructing 23991
Three groups take turns reconstructing one piece of highway. The first group would finish the job themselves in 40 working days. The second group is in 24 working days, and the third group is in 30 working days. How many days do you do it together? - Men at work
8 men can finish a piece of work in 40 days. If 2 more men joined with them, then how many days it will take to complete the work?
- Together 39671
Three workers were to lay the parquet floor. If everyone worked alone, the first would finish the job in 30 hours, the second in 24 hours, and the third in 20 hours. How long will they do the floor if they work together? - Working alone
Tom and Chandri are doing household chores. Chandri can do the work twice as fast as Tom. If they work together, they can finish the work in 5 hours. How long does it take Tom to work alone to do the same work? - Five people
Five people can finish painting a wall in 4 hours if only two people are available. How many hours do they have to work to finish the same job?