Math Olympiad for Middle School | 2010 | Division M | Contest 2 | MOEMS | 2B
3 years ago
2
2B Amy picks up a whole number, squares it, and then subtracts 1. She gives her final number to Brian. Brian adds 3 to the number Amy gave him and then doubles that result.
Brian's final result is 54. With what number did Amy start?
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