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Level 10 (1)
Tara takes her pulse in order to determine her resting heart rate, measured in beats per minute ( bpm ). She takes it for three minutes, and makes the following chart of the results. We'll assume that Tara's heart rate is constant over the three-minute period.
\begin{tabular}{rcrr}
\hline Minutes & 1 & 2 & 3 \\
Beats & 60 & 120 & 180
\end{tabular}
Graph the proportional relationship described above, where the \( x \) coordinate represents minutes, and the \( y \)-coordinate ripresents beats.
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