Tina's aquarium has a capacity of 40 gallons or water. She plans to stock her aquarium with 0.25 inches of fish per quart of capacity. Mollies are 2 inches in length. How many mollies can she have in the aquarium?

Answer: The number of mollies fishes in the aquarium is 20 .Step-by-step explanation:Given as :The capacity of aquarium = 40 gallons ∵ 1 gallon = 4 quart∴ 40 gallons = 4 × 40 = 160 quartNow, According to question 0.25 inches of fish required 1 quart capacityI.e for 1 quart capacity , 0.25 inches fishSo. for 160 quart capacity , 0.25 × 160 = 40 inches fishesNow the size of mollies fish = 2 inchesThen ,  number of mollies fish = [tex]\dfrac{\textrm total size of fishes}{\textrm size of mollies fish}[/tex]I.e Number of mollies fish = [tex]\frac{40}{2}[/tex] = 20Hence The number of mollies fishes in the aquarium is 20 .   Answer