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21 August, 17:31

There are 90 girls and 60 boys in the sixth grade at middle school. Of these students, 9 girls and 3 boys write left handed. What percentage of the sixth graders at this middle school write left handed?

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  1. 21 August, 17:51
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    0.08 or 8%

    Step-by-step explanation:

    to find probability, number of left handed/total

    this would be (9+3) / (90+60), which simplifies to 12/150 = 0.08.
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