Question 12 A kiddie pool holds 161 gallons of water. One hose can fill the pool in 3 hours while an- other takes only 2 hours. How long will it take for the pool to be filled if both hoses are used?

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Q: The dosage for a certain drug calls for a patient to receive 25mg per kg per day and is divided into…

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Q: An octane number of 89 on gasoline means that it will fight engine “knock” as effectively as…

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Q: Tank A and Tank B contained an equal volume of water at first. After 20% of the water in tank A was…

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Q: A swimming pool can be filled in 6 hours, and requires 9 hours to drain. What if the drain were…

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Q: When doctors prescribe L-dopa to Parkinson's patients, the typical initial prescription is 1.5 grams…

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Q: A worker uses 450 inches of steel wire to make 300 springs of the same size. At this rate how many…

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Q: On average, it takes a chicken 30 days to produce 24 eggs.  At this rate, how many days does it take…

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Q: A pot of 180-degree water is placed in a freezer that is set to 20 degrees. The water cools to…

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Q: If a bacteria culture starts with 6000 bacteria and doubles every 25 minutes, how many minutes will…

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Q: a tank is filled to capacity 30% .if we add 35 liters it goes to capacity 80% .what is the capacity…

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Q: о A swimming pool holds 100m³ of water. A small hose adds 5 litres of fresh water per minute, which…

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Q: A radiator contains 5 quarts of a mixture of water and antifreeze. If 19% of the mixture is…

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