Mathematics, 09.11.2021 22:40, lpssprinklezlps

Fifteen girls left a mixed group of boys and girls. There remained two boys for each girl. After this, 45 boys leave the group, and there were 5 girls for each boy. Determine the number of girls in the original group.

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Fifteen girls left a mixed group of boys and girls. There remained two boys for each girl. After thi...

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