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A classroom has 15 boys and 13 girls. If 10 more girls join the class, what is the ratio of girls to boys?
Detailed Explanation
Initially, the classroom has 15 boys and 13 girls. After 10 more girls join, the number of girls becomes 13 + 10 = 23.
The ratio of girls to boys can be calculated by dividing the number of girls by the number of boys.
The ratio of girls to boys = Number of girls: Number of boys.
Therefore, the ratio of girls to boys is 23:15
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