Question

12. A completes a job in 45 days. B takes 30 days to complete the same job. How many
days will they require if they work together .​

Answer 1

Answer:

A takes 45 days

B takes 30 days

they both together ( 1/45+1/30) =5/90

18 days

hence they both do the work in 18 days

HOPE this will help you

please rate the answer