barbarahasan60 barbarahasan60

08-01-2019
Mathematics

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to clean the fish tank 3/4 cups of disinfectant is needed for every two gallons of water how many cups of disinfectant are needed for 20 gallons of water

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sqdancefan sqdancefan

08-01-2019

Answer:

7 1/2 cups

Step-by-step explanation:

20 gallons is ten times 2 gallons.

Ten times the amount of water will require ten times the disinfectant (we assume).

... 10 × 3/4 cup = 30/4 cups = 7 1/2 cups

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