Mathematics, 25.03.2021 21:40, AgentPangolin

The ratio of boys to girls in 6th grade is 3 to 4. The ratio of boys to girls in 7th grade is 4 to 5. Each grade has a total of 20 girls. How many boys are in each grade?

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The ratio of boys to girls in 6th grade is 3 to 4. The ratio of boys to girls in 7th grade is 4 to 5...