Question

31. If Alain Junev and Parc Lafontaine together to do a job in 6 hours and Alainalone does the job in 10 hours, how long does it take Parc alone to do thejob?a. 12 hr b. 20 hr c. 15 hr d. 9 hr

Answer 1

They both together do the job is 6 hours.

It is given that Alain did the job in 10 hours.

We have to determined that how much time is take for Parc alone to do the job.