Question

A can do a work in 15 days and b in 30 days if they work together how much time will a and b take to complete the wor

Answer 1

Answer:

10 days

Step-by-step explanation:

a can do 1/15 of work in a day

and b can do 1/30 of work in a day

that is , if they work together they can do 1/10 of work in a day (1/15 +1/30 =3/30)

hence, they both can complete this work together in 10 days