The ratio of boys to girls on a swimming team is 3 to 4. There team has 70 members how many are boys? PLEASE. HELP!



Answer :


so in each group of 7 (3+4) there are 3 boys and 4 girls

there are 10 groups of 7 so

the number of boys is 10x3=30

the number of girls is 10x4=40

30 boys + 40 girls = 70 members

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