A (working alone)csn complete a piece of work in 40days.A and B start working together and after 9 days,b leaves. the entire task is completed 22 days. in how much less time(in percent) would B (working alone)complete the entire task as compared to A(working alone)
Step-by-step explanation:
1st of things total days 40 . A work alone 22 and together with B 18/2 =9 so A work 22+9=31 days B alone need 9 days.