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Algebra 1

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To train for a race, Will begins by jogging 11 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many whole weeks it takes for him to reach a jogging time of one hour

  • Algebra 1 -

    T(min) W(weeks)

    11 0
    16 1.
    21 2.
    26 3.
    31 4.

    Eq: T = 5W + 11.

    Example: Let W = 4 weeks.
    T = 5*4 + 11 = 31min.

    T = 1hr = 60min.
    T = 5W + 11 = 60min,
    5W + 11 = 60,
    5W = 60 - 11 = 49,
    W = 49 / 5 = 9.8wks or 9 Whole weeks.

  • Algebra 1 -

    this is all wrong

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