SOLUTION: Ajay alone would take 8 hours more to complete the job if ajay and Rupesh work together.If Rupesh work alone he would have take 4.5 hours more to complete the job than Ajay and Ru

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Ajay alone would take 8 hours more to complete the job if ajay and Rupesh work together.If Rupesh work alone he would have take 4.5 hours more to complete the job than Ajay and Ru      Log On


   

Question 983760: Ajay alone would take 8 hours more to complete the job if ajay and Rupesh work together.If Rupesh work alone he would have take 4.5 hours more to complete the job than Ajay and Rupesh work together. What time would have take if both Ajay and Rupesh work together. ??
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
JOB/HOUR unit for rate, used when possible as 1%2FvariableTime, the 1 being for 1 job. 
Ajay&Rupesh     1%2Fx
Ajay            1%2F%28x%2B8%29
Rupesh          1%2F%28x%2B4.5%29


Solve for x and then evaluate the two other rates.

1%2F%28x%2B8%29%2B1%2F%28x%2B4.5%29=1%2Fx