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30 June, 13:21

Calvin has $360 less in his savings account than he had 8 weeks ago. Each

week he deposited $15 into his account. What was his average withdrawal

each week?

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Answers (1)
  1. 30 June, 13:44
    0
    Calvin withdraws $ 60 each week

    Step-by-step explanation:

    1. Let's review the information given to us to answer the question correctly:

    Calvin's account balance difference than 8 weeks ago = - $ 360

    Weekly amount Calvin deposits = $ 15

    Number of weeks to compare = 8

    2. What was his average withdrawal each week?

    Let's calculate the weekly average withdrawal this way:

    Weekly average withdrawal = [Calvin's account balance difference than 8 weeks ago - (Weekly amount Calvin deposits * Number of weeks to compare) ]/Number of weeks to compare

    Replacing with the values given:

    Weekly average withdrawal = [-360 - (15 * 8) ]/8

    Weekly average withdrawal = - 360 - 120 / 8

    Weekly average withdrawal = - 480 / 8

    Weekly average withdrawal = - 60

    Calvin withdraws $ 60 each week
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