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OpenStudy (anonymous):
The recommended heart rate for excesize, in beats per minute, is given by the expression 0.8(200 - y) where 'y' is a person's age in years. Rewrite this expression by using the Distributive Property. What is the recommended heart rate for a 20- year old person?
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OpenStudy (anonymous):
\[0.8(200 - y) =.8\times 200-.8y=160-.8y\] for the first part
OpenStudy (anonymous):
for the second, replace \(y\) by \(20\)
OpenStudy (anonymous):
TY :3
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