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Primary 6 Problem Sums/Word Problems - Try FREE
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Question 1 of 3
Initially, the ratio of the number of boys to the number of girls in school A was 3:4.
After 15 students joined school A, the ratio of the number of boys to girls became 5:6.
In the end, there were 54 girls in the school.
How many boys were there in school A at first?