SOLUTION: dinesh & ramesh can independently complete a price of work in 80 &120 minutes respectively.of they work together,how much time will they take to complete the work ?

Question 979546: dinesh & ramesh can independently complete a price of work in 80 &120 minutes respectively.of they work together,how much time will they take to complete the work ?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add thir rates of working
Dinesh's rate:
[ 1 job ] / [ 80 min ]
Ramesh's rate:
[ 1 job ] / [ 120 min ]
----------------------
let = time in minutes to finish
job if they work together

Multiply both sides by

Working together, they can finish job
in 48 minutes
check:

OK
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