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Jonathan’s class has 30 boys. Of the students in his class, 60% are girls. How many girls are in Jonathan’s class?
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Jonathan’s class has 30 boys. Of the students in his class, 60% are girls. How many girls are in Jonathan’s class?

User Derekyy
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Having that 30 boys is 40% of students. 30 is 40% of students the how many students is 100%. Naming X number total of students. X=(30*100)/40=75. Then having that there are 30 boys, numbers of girls is 75-30=45.
User Stephan Wehner
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