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Question

In 2022, the ratio of boys to girls in a school was 8:7. By 2023, 50 boys and 80 girls had left the school, while 90 new boys and 30 new girls joined. As a result, the ratio of girls to boys in the school changed to 3:4. Determine the total number of boys and girls in the school in 2022.

A 1350

B 1050

C 900

D 1200

E 1500

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