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Aerobics Instructor: Water Consumption Problem

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An aerobics instructor says she drinks one cup (8 ounces) of water before she starts her classes and then she drinks 10 ounces every 10 minutes.

a. How much water does she drink when she teaches 2 one-hour classes in a row?

b. Let W represent ounces of water and N the number of 10-minute intervals the aerobics instructor spends exercising, and write an equation to find the number of fluid ounces the instructor consumes during exercise.

c. Explain the significance of each of the numbers that appears in the equation and sketch the graph of the function.

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This solution to the aerobics instructor problem is included in the attached word document with explanation and a graph.

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Hi,

** Please see the attached file for the complete solution response **

a. How much water does she drink when she teaches 2 one-hour classes in a row?
Solution: (please see the attached file)
2 one-hour = 2*60 = 120 minutes
Amount of water = 8 + 10*(120)/10 = 8 + 120 = 128 ounces
Answer: 128 ounces
b. Let W ...

Solution provided by:
Sandhya Sharma, MSc
Education
  • BSc, Meerut University
  • MSc, Meerut University
  • MPhil, Institute of Advanced Studies
  • MSc, AIT
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