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Agata [3.3K]
3 years ago
8

In a primary school class, the ratio of boys to girls is 3:4. If there are 12 girls in the class, what is the total number of st

udents in the class? *
Mathematics
2 answers:
AfilCa [17]3 years ago
7 0

Answer:

21

Step-by-step explanation:

sergey [27]3 years ago
4 0

A ratio of 3:4 means that for every 3 boys there are 4 girls and vice versa.

12 girls / 4 girls = 3

3 boys * 3 = 9 boys

There are 9 boys in the class.

9 boys + 12 girls = 21 total students

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