SOLUTION: A pipe can drain a reservoir in 6 hours 30 minutes (6 1/2 hours). a larger pipe can drain the same reservoir 4 hours 20 minutes (4 1/3 hours). how long will it take to drain the re
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-> SOLUTION: A pipe can drain a reservoir in 6 hours 30 minutes (6 1/2 hours). a larger pipe can drain the same reservoir 4 hours 20 minutes (4 1/3 hours). how long will it take to drain the re
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Question 915206: A pipe can drain a reservoir in 6 hours 30 minutes (6 1/2 hours). a larger pipe can drain the same reservoir 4 hours 20 minutes (4 1/3 hours). how long will it take to drain the reservoir if both pipes are used?
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