Megan and Desmond each added the same amount of water to their aquariums. Megan mixed 5 mL of a chemical solution with every gallon of water for her aquarium. Desmond mixed 8 mL of the chemical solution with every 2 gallons of water for his aquarium. Which of these statements is true?

Desmond used more solution per gallon of water than Megan, because 8:2 is greater than 5:1
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Megan used more solution per gallon of water than Desmond, because 5 mL is greater than 2 mL.
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Megan used more solution per gallon of water than Desmond, because 5:1 is greater than 8:2.
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Desmond used more solution per gallon of water than Megan, because 8 mL is greater than 5 mL.

The answer Is C hope it helped