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It takes an older pump

It takes an older pump 4 times as long to drain a certain pool as it does a newer pump. Working together, it takes the two pumps
1. 1 answer
2. asked by Rob
3. 2,666 views
Working together, two pumps can drain a certain pool in 3 hours. If it takes the older pump 9 hours to drain the pool by itself,
1. 1 answer
2. 69 views
Working together, two pumps can drain a certain pool in 6 hours. If it takes the older pump 14 hours to drain the pool by
1. 2 answers
2. asked by Dorothy
3. 1,831 views
Each of three pumps A, B, C can pump water either into, or out of, a swimming pool. Pump A can fill the pool in 6 hours, while
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2. asked by Yin
3. 710 views
an irrigation pump can do a job 3 times faster than another. If the y work together it takes 9 hours to complete the job. How
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2. asked by Pat
3. 596 views
In Washington state, at what age does a person have the right to mental health services, substance use disorder treatment
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2. asked by ijwdi
3. 115 views
iv. When you use a hand pump to inflate the tires of your bicycle, the pump gets warm after a while. Why? What happens to the
1. 1 answer
2. asked by john
3. 525 views
The heart is a _____ that provides the force necessary to circulate the blood to all the tissues in the body.A. skeletal pump B.
1. 2 answers
2. asked by Martin1162
3. 655 views
The heart is a _____ that provides the force necessary to circulate the blood to all the tissues in the body.A. Skeletal pump B.
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2. asked by Katherine
3. 863 views
One pump can drain the pool in 11 minutes. When a second pump is used, it only takes 9 minutes. How long would it take the
1. 3 answers
2. asked by ReRe Please Help!!
3. 1,683 views