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blsea [12.9K]
3 years ago
6

In class of 30 students 14 are boys. If 2 boys drop out of the class and 2 girls are added what fraction of the class will be bo

ys
Mathematics
2 answers:
Alecsey [184]3 years ago
5 0
30 students.....14 are boys...that means (30 - 14) = 16 are girls

if 2 boys are dropped......14 - 2 = 12 boys
and 2 girls are added......16 + 2 = 18 girls

fraction of the class that are boys is : 12/30 which reduces to 2/5 <==
Phantasy [73]3 years ago
5 0
14/30 =amount of boys
(14-2)/30
12/30=new amount

16/30 =original amount of girls
(16+2)/30=new amount of girls

12/30=6/15=2/5
2/5 is your answer
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