A and B can complete a task in 30 days, whereas B and C can complete the task in 24 days and C and A in 20. When B and C leave, they all work together for ten days. How many more days will A need to complete the project?
A. 18 days
B. 24 days
C. 30 days
D. 36 days
Answer:A
A and B can complete a task in 30 days, whereas B and C can complete the task in 24 days and C and A in 20. When B and C leave, they all work together for ten days. How many more days will A need to complete the project?
A. 18 days B. 24 days C. 30 days D. 36 days