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Michael started a savings account with $300. After 5 weeks, he had $350 dollars, and after 10 weeks, he had $400. What is the rate of change of money in his savings account per week? Any help would be
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Jul 4, 2020
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Michael started a savings account with $300. After 5 weeks, he had $350 dollars, and after 10 weeks, he had $400. What is the rate of change of money in his savings account per week?
Any help would be appreciated ♥
Mathematics
middle-school
Shauntel
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10 dollars a week is the answer
Nicolallias
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Jul 6, 2020
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Nicolallias
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You can choose any 2 known points to find the rate of change. I’ll use the 5-week and 10-week ones. Rate of change of money per week:
Change in money / change in week
= (400 - 350) / (10 - 5)
= 50 / 5
= 10
The rate of change is $10/week.
Omnidan
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Jul 9, 2020
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