SOLUTION: how do you do this?There are 30 students in a class, and three-fifths of them are girls. How many boys are in the class??

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Question 149639: how do you do this?There are 30 students in a class, and three-fifths of them are girls. How many
boys are in the class??
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how do you do this?There are 30 students in a class, and three-fifths of them are girls. How many
boys are in the class??
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3 fifths of 30 = 18, so there are 18 girls.
That leaves 12 boys.