SOLUTION: Radha and medha together takes 10 hours to complete a work. Radha takes 15 hours to complete the same job. How much time will medha take to complete the work?

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Question 1062498: Radha and medha together takes 10 hours to complete a work. Radha takes 15 hours to complete the same job. How much time will medha take to complete the work?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39628)   (Show Source):
You can put this solution on YOUR website!
Work rate is .

, the time m in hours for Medha to do one job alone.

Answer by ikleyn(52865)   (Show Source):
You can put this solution on YOUR website!
.
For a wide variety of similar solved joint-work problems with detailed explanations see the lessons
    - Using Fractions to solve word problems on joint work,
    - Solving more complicated word problems on joint work,
    - Selected joint-work word problems from the archive
in this site.

Read them and get be trained in solving joint-work problems.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this textbook under the topic "Rate of work and joint work problems" of the section "Word problems".