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Lê Quốc Trần Anh Coordinator

04/01/2018 at 17:49
Answers
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 In math class, the mean test score for the girls was 92 points and the mean test score for the boys was 87 points. If 12 girls and 10 boys took the test, what was the mean test score for the whole class? Express your answer as a decimal to the nearest hundredth. 




    List of answers
  • ...
    Alone 04/01/2018 at 18:22

    The answer is:

     \(\dfrac{92.12+10.87}{12+10}=\dfrac{987}{11}\approx89,72\)

    Lê Quốc Trần Anh selected this answer.
  • ...
    Help you solve math 05/01/2018 at 14:21

    We have :

    \(\dfrac{92.12+10.87}{12+10}=\dfrac{987}{11}\)≈ 89,72

    So,the answer is : 89,72
     

  • ...
    Asuna Yuuki 04/01/2018 at 22:01

    The answer is:

     92.12+10.8712+10=98711≈89,72

  • ...
    FA Liên Quân Garena 08/01/2018 at 21:44

    The answer is:

     92.12+10.8712+10=98711≈89,72

  • ...
    Trần Phan Tuyết Như 05/01/2018 at 12:29

    92,12 + 10,87 12 + 10 = 987 11 ≈89,72


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