Question

A can complete a jon in 10 days whereas . A & B together can complete it in 6 days. how many will it take for B alone to complete the job?​

Answer 1

Step-by-step explanation:

A=1/10,B=1/x,A+B=1/6

1/10+1/x=1/6

1/x=1/6-1/10

1/x=10-6/60

1/x=4/60

1/x=1/15

B alone can complete a work I 15 days