SOLUTION: There are 40 pupils in a grade six class. If there are 28 girls in the class,What is the ratio of the number of boys to the number of girls?

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Question 832212: There are 40 pupils in a grade six class. If there are 28 girls in the class,What is the ratio of the number of boys to the number of girls?
Answer by LinnW(1048) About Me  (Show Source):
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Number of boys is 40 - 28 = 12
So ( number of boys )/( number of girls )
= 12/28 = 3/7