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18 August, 16:13

You have $60 and your sister has $120. You are saving seven dollars per week and your sister is saving five dollars per week. How many weeks will it take for you and your sister to have the same amount of money?

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  1. 18 August, 16:43
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    It will take 30 weeks for her to have the same amount
  2. 18 August, 19:59
    0
    Let w = number of weeks

    Amt you have = 60 + 7w

    Amt she has = 120 + 5w

    60+7w = 120 + 5w

    2w = 60

    w = 30 weeks
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