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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dimple01babanga avatar
The number of girls varied directly as the number of boys and inversely as the number of teachers when there were 42 girls there were 30boys and 5 teachers How many teachers were there when there were 45 boys and 35 girls?

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COMBINED VARIATION
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Question:
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?

Answer:
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