Problem

2019 AMC 10A Problem 3

Ana and Bonita are born on the same date in different years, n years apart. Last year Ana was 5 times as old as Bonita. This year Ana's age is the square of Bonita's age. What is n?

\textbf{(A) } 3 \qquad\textbf{(B) } 5 \qquad\textbf{(C) } 9 \qquad\textbf{(D) } 12 \qquad\textbf{(E) } 15


Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.


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