A and B together can do a piece of work in 10 days. If A can do the work in 15 days, find in how many days that B alone can do the same work. Given below are the steps involved in solving the above problem. Arrange them in sequential order.
A) One day's work of B is 1/10 - 1/15
B) One day's work of A and B is 1/10 and One day's work of A is 1/15