Feeding Schedules Billy-Sean O’Hagan is John O’Hagan’s son and a freshman in college. Billy’s 36-gallon tropical fish tank contains three types of carnivorous creatures— baby sharks, piranhas, and squids—and he feeds them three types of delicacies: goldfish, angelfish, and butterfly fish. Each baby shark can consume 1 goldfish, 2 angelfish, and 2 butterfly fish per day; each piranha can consume 1 goldfish and 3 butterfly fish per day (the piranhas are rather large as a result of their diet); while each squid can consume 1 goldfish and 1 angelfish per day. After a trip to the local pet store, Billy-Sean was able to feed his creatures to capacity, and he noticed that 21 goldfish, 21 angelfish, and 35 butterfly fish were eaten. How many of each type of creature does he have?
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Finite Mathematics
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