SOLUTION: if ram can paint a room alone in 15 hours . tigether ram and shyam can paint the same room in 6 hours.how much time would shyam aline take a paint the room?

Question 1124783: if ram can paint a room alone in 15 hours . tigether ram and shyam can paint the same room in 6 hours.how much time would shyam aline take a paint the room?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Ram�s rate of painting:
[ 1 room ] / [ 15 hrs ]
Let Shyam�s rate =
[ 1 room ] / [ t hrs ]
Their rate working together:
[ 1 room ] / [ 6 hrs ]
��-
Add their rates working alone
to get their rate working together

Multiply both sides by

Working alone, Shyam takes 10 hrs
��-
Check:

OK

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