Mathematics, 13.09.2021 01:00 Brendah7145

4. The recommended heart rate for weight management exercise and improving cardio fitness, in beats per minute, depends on a person's age
and can be represented by the expression 0.7(220 - a).

Part A: What does the variable in the expression represent?

Part B: Rewrite the expression using the distributive property.

Part C: what is the recommended heart rate for a 20-year-old person?

Answers: 2

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