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Mathematics 12 Online
OpenStudy (anonymous):

Jonathan’s class has 30 boys. Of the students in his class, 60% are girls. How many girls are in Jonathan’s class? A) 75 B) 60 C) 45 D) 20

OpenStudy (benlindquist):

c

OpenStudy (benlindquist):

well that docent add up

OpenStudy (anonymous):

It's A.

OpenStudy (anonymous):

why @ZelArts

OpenStudy (anonymous):

Alright, so we need to get half of 30, which is 15. 15 multiplied by 4 is 60 (we needed to multiply it by 4 because 40% of boys are there.) 15 added to 60 is 75, which is A. I am not familiar with English, so sorry if it's bad. :L

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