Question

14 workers can complete a piece of work in 15 days working 6 hours per day. The same work is completed by 12 workers in 21 days. how many hours per day did they work.

1. 6
2. 7.5
3. 8
4. 5​

Answer 1

Answer:

I hope 7.5 is the answer

Answer 2

Answer:

Ans is 5 hours.Option 4)

Step-by-step explanation:

The full process is in the attachment