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16 November, 14:44

There are a total of 84 students in a robotics club in the science club. The science club is 12 more students in the robotics club. How many students are in the science club.

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Answers (2)
  1. 16 November, 14:52
    0
    Step-by-step explanation:

    Let the Number of students in the Robotics club be x

    So, the number of students in the Science club must be x+12

    (Because it is given that the science club have 12 more students.)

    Total number of students = 84

    So,

    x + (x+12) = 84

    combining the like terms we get

    2x+12=84

    Subtract 12 from both sides

    2x=72

    Divide both sides by 2

    x=36

    So,

    Number of students in the Robotics club = 36

    Number of students in the Science club = 36+12 = 48
  2. 16 November, 17:20
    0
    There are 48 students in the science club.

    Step-by-step explanation:

    Total students: T=84

    T=R+S→R+S=84 (eq. 1)

    Students in Robotics club: R

    Students in science club: S

    The science club is 12 more students in the robotics club:

    (eq. 2) S=12+R

    How many students are in the science club?

    S=?

    Replacing eq. 2 in eq. 1:

    (eq. 1) R+S=84

    R + (12+R) = 84

    R+12+R=84

    Adding like terms on the left side of the equation:

    2R+12=84

    Solving for R: Subtracting 12 both sides of the equation:

    2R+12-12=84-12

    Subtracting:

    2R=72

    Dividing both sides of the equation by 2:

    2R/2=72/2

    Dividing:

    R=36

    Replacing R by 36 in eq. 2:

    (eq. 2) S=12+R

    S=12+36

    S=48

    There are 48 students in the science club.
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