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1/3 of the fish in the tank are snappers. 2/9 of the fish are catfish and the rest are goldfish. There are 40 goldfish in the tank. How many fish are in the tank ?

User Dinara
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2 Answers

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90 fish are in the tank
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Find fraction of snappers and catfish:

1/3 + 2/9 = 3/9 + 2/9 = 5/9


Find fraction of goldfish:

1 - 5/9 = 4/9


4/9 = 40 goldfish

1/9 = 40 ÷ 4 = 10

9/9 = 10 x 9 = 90


Answer: 90 fish in the tank


User Doubts
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