chrissynicolepo chrissynicolepo

06-11-2018
Mathematics

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Michael started a savings account with $300. After 4 weeks, he had $350 dollars, and after 9 weeks, he had $390. What is the average rate of change of money in his savings account per week.

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deboada35 deboada35

08-11-2018

1) with two points you can get the average rate of change

r= 390- 350 / 9-4 = 8, it means the average of rate per week

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