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Timed Test For
Rates & proportional relationships
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Sample Problem
Raquel takes her pulse in order to determine her resting heart rate, measured in beats per minute $(\text{bpm})$. She takes it for three minutes, and makes the following table of the results. We'll assume that Raquel's heart rate is constant over the three-minute period. The graph below shows an ideal resting heart rate for someone Raquel's height, weight, age, and general level of fitness. The $x$-coordinate represents minutes, and the $y$-coordinate represents beats. ** Is Raquel's heart rate faster or slower than the ideal heart rate shown on the graph?** [[☃ radio 1]] |||| -:|-:|-:|-: Minute|$1$|$2$|$3$ Beats|$62$|$124$|$186$ 
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Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)