Question

1. A can do a piece of work in 15 hours while
Bcan do it in 12 hours. How long will both
take to do it working together ?​

Answer 1

Answer:

1. 1/15 hours work done by A in one day and 1/12 hours work done by B in one day
2. (A+B) both working together
3. (1/15 +1/12)= 9/60

After, we reciprocal the 9/60 = 60/9

therefore, 20/3 hours work done by both Aand B

Answer 2

Answer:

Good morning ji

Step-by-step explanation:

60 answers h iska