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Percentage

There are 90 girls and 60 boys in the sixth grade at a 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?

A. 10 %

B. 8 %

C. 5 %

D. 15 %

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  1. So, 150 people are in sixth grade at a middle school.
    Out of 150 people, 12 of them are left-handed and 138 are right-handed.
    What do you do??
    You have to find out how to set up your equation.
    Cross multiply.
    Divide what you get after the multiplying.
    You get your answer and check if it was correct.
    So how do you think that you have to set up this equation??

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  2. Maybe you have to put the x over 100, then 12 over 150

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  3. The answer is B

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  4. 12*100=1200
    150*x=150x
    1200/150x=8
    This means that your answer is probably B.
    Hopefully, this helped you :)

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  5. It sure was right

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  6. Yep-

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