It is 10:3, as stated in the question!
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If the ratio of boys to girls is 3:7, this means that for every 3 boys, there are 7 girls. To find out how many boys there are, you would need to divide the total number of children by the sum of the parts in the ratio (3 + 7 = 10) and then multiply that result by the number of boys' parts in the ratio (3). So, if there are 30 children in total, there would be 9 boys (30 divided by 10, times 3).
10 to 15 or 2 to 3 even
If the ratio of boys to girls at summer camp is 10:1, and there are 30 boys, you can set up the ratio equation: ( \frac{30}{g} = 10 ), where ( g ) is the number of girls. Solving for ( g ) gives ( g = \frac{30}{10} = 3 ). Therefore, there were 3 girls at the camp.
The ratio of girls to boys in this case would be 10:1
3 to 4 cuz you would do boys first since its first in the problem