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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 students in the class?

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 students in the class?
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2 votes
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 students in the class?

User JCBrown
by
8.5k points

1 Answer

7 votes
Answer: 21
3/4= 75%
12 • 0.75 = 9
12 + 9 = 21
User Tamatha
by
8.3k points
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