Problem

2024 AMC 8 Problem 12

Rohan keeps a total of $90$ guppies in $4$ fish tanks.

• There is $1$ more guppy in the $2$ nd tank than in the $1$ st tank.

• There are $2$ more guppies in the $3$ rd tank than in the $2$ nd tank.

• There are $3$ more guppies in the $4$ th tank than in the $3$ rd tank.

How many guppies are in the $4$ th tank?

$\textbf{(A)}$ $20$ \qquad $\textbf{(B)}$ $21$ \qquad $\textbf{(C)}$ $23$ \qquad $\textbf{(D)}$ $24$ \qquad $\textbf{(E)}$ $26$

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

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Category: AMC 8
Points: 1
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