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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.

Respuesta :

The age of a person whose maximum pulse is 152 is 30 years old.
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Answer:

The person is 30 years old!

A = .8 (220-a)  

152 = .8 (220-a)  

152 = 176 - .8a  

.8a = 24  

a = 30  

Step-by-step explanation:

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