Mathematics, 07.04.2020 22:37 mdlemuslopez
15. The number of girls varied directly as the number of boys and inversely as the number of teachers. When there were 50 girls, there were 20 teachers and 10 boys. How many boys were there when there were 10 girls and 100 teachers?
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15. The number of girls varied directly as the number of boys and inversely as the number of teacher...
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