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MAA AMC
AMC 8
2004 AMC 8
7
7
Part of
2004 AMC 8
Problems
(1)
AMC 8 2004 Problem 7
Source:
11/28/2010
An athlete's target heart rate, in beats per minute, is
80
%
80\%
80%
of the theoretical maximum heart rate. The maximum heart rate is found by subtracting the athlete's age, in years, from
220
220
220
. To the nearest whole number, what is the target heart rate of an athlete who is
26
26
26
years old?
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155
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176
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194
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<span class='latex-bold'>(A)</span>\ 134\qquad <span class='latex-bold'>(B)</span>\ 155 \qquad <span class='latex-bold'>(C)</span>\ 176\qquad <span class='latex-bold'>(D)</span>\ 194\qquad <span class='latex-bold'>(E)</span>\ 243
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243