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28 May, 00:43

Charles is saving $5 each week. He earns an extra $15 by mowing his neighbors lawn. How many weeks does he need to save in order to get $75

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Answers (2)
  1. 28 May, 04:05
    0
    Hey there!

    Given amount of information:

    Saves $5 every week Get paid extra by $15 when he mows.

    With this given information, we get to know that the number 15 is a constant and we don't know the number of weeks. Hence, it is a variable.

    Let's take the number of weeks as 'w'

    Let's now form a equation.

    ... 5w + 15 = ?

    The total amount we want is $75. Hence,

    ... 5w + 15 = 75

    ... 5w + 15 - 15 = 75 - 15

    ... 5w = 60

    ... 5w/5 = 60/5

    ... w = 12

    Hence, the number of weeks is 12.
  2. 28 May, 04:37
    0
    It would take 12 weeks
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