A, B, and C can each complete a project in 20, 30, or 60 days. How many days would it take A to complete the task if he is aided by B and C every third day?
A. 12 days
B. 15 days
C. 16 days
D. 18 days
Answer:B
A, B, and C can each complete a project in 20, 30, or 60 days. How many days would it take A to complete the task if he is aided by B and C every third day?
A. 12 days B. 15 days C. 16 days D. 18 days