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5 April, 08:18

When exercising a person's pulse rate should not exceed a certain limit which depends on his or her age. This maximum rate is represented by the expression 0.8 (220-a) where a is age in years. Find the age of a person whose maximum pulse is 152.

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  1. 5 April, 11:52
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    The age of a person whose maximum pulse is 152 is 30 years old.
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