Let s be the number of swordfish and p be the number of pufferfish.

We know that s = 5p and s + p = 90.

Substituting the first equation into the second equation, we get 5p + p = 90

Combining like terms, we get 6p = 90

Dividing both sides by 6, we get p = 15

# Answer

15
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There are five times as many swordfish as pufferfish in an aquarium exhibit. If there are 90 fish total, how many pufferfish are there?
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15
There are five times as many swordfish as pufferfish in an aquarium exhibit. If there are 90 fish total, how many pufferfish are there?
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