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23 September, 10:58

Janelle is in charge of bringing in dry erase markers for everyone in her math group to use to work on a project. She brings 3 markers for each person in her group and 5 extra markers for everyone to share. If Janelle brings in 23 markers in all, which equation represents the information? Let x represent the number of students in Janelle's group.

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  1. 23 September, 13:23
    0
    Let x represent the number of students in Janelle's group. If Janelle brings 3 markers for each person in her group, then she brings 3x markers for x students. You also know that she brings 5 extra markers for everyone to share. Thus, the total amount of markers she brings is 3x+5.

    If Janelle brings in 23 markers in all, then the equation 3x+5=23 represaents the mathematical model.

    3x=23-5,3x=18, x=6

    Answer: there are 6 students in Janelle's group.
  2. 23 September, 14:17
    0
    The equation is 3x + 5 = 23.
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