P can finish a project in 12 days if he works 8 hours each day. Q can finish the same job in 8 days if he works 10 hours every day. How many days would it take P and Q to do the task if they work together for 8 hours a day?
A. 5 5/11
B. 5 6/11
C. 6 5/11
D. 6 6/11
Answer:A
P can finish a project in 12 days if he works 8 hours each day. Q can finish the same job in 8 days if he works 10 hours every day. How many days would it take P and Q to do the task if they work together for 8 hours a day?
A. 5 5/11 B. 5 6/11 C. 6 5/11 D. 6 6/11