Machines A and B produce 8000 clips in 4 hours and 5 hours respectively. If they alternately for 1 hour, B starting first, then in how many hours 8000 clips will be produced?

Machines A and B produce 8000 clips in 4 hours and 5 hours respectivel

1.	Machines A and B produce 8000 clips in 4 hours and 5 hours respectively. If they alternately for 1 hour, B starting first, then in how many hours 8000 clips will be produced?
A.	4 hours
B.	4.5 hours
C.	5 hours
D.	5.5 hours
Answer» C. 5 hours

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Machines A and B produce 8000 clips in 4 hours and 5 hours respectively. If they alternately for 1 hour, B starting first, then in how many hours 8000 clips will be produced?

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