Mathematics
Mathematics, 02.07.2019 04:00, angie249

When 40% of the girls left the school assembly, the ratio of the number of boys to girls became 3 to 4. if there were w girls when the assembly started, what was the total number of boys and girls when the assembly started?

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When 40% of the girls left the school assembly, the ratio of the number of boys to girls became 3 to...

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