Virgil bought 17 fish for his fish tank. He selected some Betta Fish and Rainbowfish. Virgil really likes Betta Fish, so he bought five more than triple the number of Rainbowfish. How many Betta Fish did Virgil purchase? Enter your answer in the box. Virgil purchased \boxed{} Betta Fish for his fish tank.
Added by Brenda D.
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According to the information given, Virgil bought five more than triple the number of Rainbowfish, so the number of Delta Fish he bought is 3x + 5. The total number of fish Virgil bought is the sum of the number of Delta Fish and Rainbowfish, which is 3x + 5 + x = Show more…
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