Bonjour,il faut répondre en français et écrire les calculs:)
1/ A group of preschoolers has 5 boys and 15 girls.
What is the ratio of girls to boys ?
21 A swimming club has 36 members, of which 6 are males and the rest females.
What is the ratio of females to all club members ?
31 A pattern has 2 blue triangles to every 12 yellow triangles.
What is the ratio of yellow triangles to all triangles ?
41 A bag contains 33 marbles, of which 7 are blue, 24 are red
and the rest are green.
What is the ratio of green marbles to all marbles ?
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