Question

To complete a work Mahesh takes 3 hours.his wife takes 4.5 hours.how much time will be taken it.they do this work combinly.

Answer 1

Answer:9/5 hours

Step-by-step explanation:

Work done by Mahesh in one hour- 1/3

Work done by his wife in one hour-

2/9

Work done by both of them in one hour-

1/3+2/9= 5/9

The complete 5/9 Work in one hour, so they will take 9/5 hours to complete the whole work.