SOLUTION: JV can edit 15 essays in 10 hours. Ayah needs 15 hours to do the same job. If they work together, how long will it take them to edit the essays.

Question 377477: JV can edit 15 essays in 10 hours. Ayah needs 15 hours to do the same job. If they work together, how long will it take them to edit the essays.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
JV can edit 15 essays in 10 hours. Ayah needs 15 hours to do the same job. If they work together, how long will it take them to edit the essays.
..
JV .......... 10 hours
JV does 1/10 of the job in 1 hour
Ayah ..........15 hours
Ayah does 1/15 of the job in 1 hour
...
Together they do job in 1 hour
LCD = 30
=
=
= of the job in 1 hour
so together they take 6 hours to do the editing
...
m.ananth@hotmail.ca
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