SOLUTION: a cabinetmaker can make a set of kitchen cabinets in 15 hours. his partner can make the same set of kitchen cabinets in 20 hours. how long would it take them working together to ma
Algebra ->
Rate-of-work-word-problems
-> SOLUTION: a cabinetmaker can make a set of kitchen cabinets in 15 hours. his partner can make the same set of kitchen cabinets in 20 hours. how long would it take them working together to ma
Log On
Question 1117457: a cabinetmaker can make a set of kitchen cabinets in 15 hours. his partner can make the same set of kitchen cabinets in 20 hours. how long would it take them working together to make the set of kitchen cabinets? Answer by ikleyn(52778) (Show Source):
The master makes of the job per hour.
The partner makes of the job per hour.
Working together, they make = = of the job per hour.
Hence, it will take them = hours = 8 hours and 35 minutes (approximately) to complete the job working together.
Solved.
-------------------
It is a typical and standard joint work problem.
