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MAXImum [283]
4 years ago
11

The ratio of the girls to the total number of students in class is 47 how many students are girls in the class has 21 students a

nd all

Mathematics
2 answers:
Airida [17]4 years ago
4 0

You can cross multiply to get 4 * 21 = 7x

84 = 7x; divide both sides by 7

12 = x so the number 12 will go in the blank (12 girls)

Julli [10]4 years ago
4 0

The answer is 12 since 21/7 is 3 so you multiply 4 by 3

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