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Sari has 3 times as many pencil erasers Sam. Together, they have 28 erasers. How many erasers does Sari have

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  1. 26 June, 01:39
    0
    To solve this problem we can use equation.

    If we say that x is number of Sams pencils we can say too that Sari has 3x (because she has 3 times more)

    And we know that together they has 28 pencils.

    x+3x=28

    4x=28 / : 4 (divide both sides by 4)

    x=7

    Sam has 7 pencils.

    We know that Sari has 3 times more so 7*3=21 - its the result.
  2. 26 June, 01:50
    0
    The answer to your question is Sari has twenty-one erasers.
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