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15 September, 14:23

Susan has 3 times as many books as Mary. Susan has 18 books. Which equation can be solved to figure out how many books Mary has?

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Answers (2)
  1. 15 September, 14:48
    0
    18 divided by 3 = x

    Step-by-step explanation:

    I don't know what your answer choices are but this would be the equation i would use to solve the problem.
  2. 15 September, 14:50
    0
    S=Susan

    M=Mary

    3*m=S

    3*M=18

    18/3 = 6

    M=6
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