christinamurill christinamurill

20-05-2018
Mathematics

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if 40% of the students in the class are boys , and if there are 18 girls in the class , then how many students are in the class?

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nehniece nehniece

20-05-2018

30

60% were girls so you put this as a ratio

60/100= 18/x

You calculate x to determine the total number which would equal 30.

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