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micheal started a savings account with $300. after 4 weeks, he had $350, and after 9 weeks, he had $400. what is the rate of change of money in his savings account per week?

User Munk
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1 Answer

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(4,350) (9,400)

Y2-Y1/ X2 - X1

400-350/9-4

50/5

10 is the rate of change
User Omnaest
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