Question

A can do a peace of work in 10 days and B in 20 days. They begin together but after A leaves 2 days before the completion of the work. in how many days will the whole work be completed​

Answer 1

Answer:

A can do a peace of work in 10 days and B in 20 days. They begin together but after A leaves 2 days before the completion of the work. in how many days will the whole work be completed