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March 26, 2017

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Jill has four of her five game scores: 8,6,6,3

Her average score for the five games is 6 points. What is the fifth game score?

  • math - ,

    5 * 6 = 30

    30 - 23 = ?

  • math - ,

    (8+6+6+3+x)divide by 2 = 6
    so 8+6+6+3=23
    then 23+x/2=6
    6 multiply by 2= 23+x
    12=23+x
    x= -11
    i think it can be positive anwser

  • math - ,

    (8+6+6+3+x)divide by 5 = 6
    so 8+6+6+3=23
    then 23+x/5=6
    6 multiply by 5= 23+x
    30=23+x
    x= 7
    sorry that is not wrong my mistake

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