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21 May, 16:45

Eight less than five times the number of marbles that Iggy has is less than or equal to 72

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Answers (2)
  1. 21 May, 17:03
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    N = the number of marbles that iggy has

    5n - 8 ≤ 72

    5n ≤ 80

    n ≤ 16

    n ≤ 16 marbles

    So, Iggy has 16 marbles or less.

    Answer: Iggy has 16 marbles or less.
  2. 21 May, 18:21
    0
    Let's call iggy "i".

    5 * i - 8 < = 72 / / add 8 to both sides

    5 * i < = 80 / / divide by 5. Since 5 is positive, we do not flip the inequality.

    i < = 16

    Iggy has 16 or less marbles.
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