SOLUTION: Working alone, a painter can paint a small apartment in 10 hours. Her helper can paint the same apartment in 15 hours. How long would it take the painter and her helper to complete

Question 959846: Working alone, a painter can paint a small apartment in 10 hours. Her helper can paint the same apartment in 15 hours. How long would it take the painter and her helper to complete the job if they work together?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate x Time = Output
Let the output of 100 be completing the job.

So the rate for the painter is,

The assistant's rate is,

So then together,

RELATED QUESTIONS
Working alone a painter can paint a small apartment in 10 hours. A second painter can... (answered by checkley77)

A painter can paint a certain house in 12 hours by herself but it takes her helper 15... (answered by ewatrrr)

It takes Sharon 36 hours to paint an apartment. Eva can paint the same apartment in 30... (answered by VFBundy,MathTherapy)

One painter takes 6 hours longer to paint a room than does a second painter. Working... (answered by stanbon)

Mary can paint her apartment in 5 hours. Jim can paint it in 7 hours. If they work... (answered by josmiceli)

A painter can paint a house in 3 days. When his helper works with him, both men can paint (answered by rfadrogane)

It takes one painter 20 hours longer to paint a house than it does a more experienced... (answered by richwmiller,josmiceli)

a painter can paint a fence in 12 hours working alone, his apprentice who works slower... (answered by KMST)

Painters A and B can paint a wall in 10 hours when working at the same time. Painter B... (answered by jorel1380)