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.

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

there are 6 students in Janelle's group.

Just divide the x axis (the top) by 2 or multiply the y axis (the bottom) by 2

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