Mathematics, 14.12.2020 16:00 kbuhvu

5) There were 40 children in a play school. The ratio of the number of girls to the number of boys in the club was 3 : 1. How many girls were there in the club?
Mike lost 15 points in a game and had 12 left. Find the ratio of the number o

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5) There were 40 children in a play school. The ratio of the number of girls to the number of boys...