At summer camp the ratio of boys to girls was 10:1. If there were 30 boys, how many girls were there?

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Solution

Boys : Girls = $10 : 1$
No. of boys = $30$
Now. $\frac{B o y s}{G i r l s} = \frac{10}{1}$ [Let the no. of girls be x]
then $\frac{30}{x} = \frac{10}{1}$
$∴ x = 3$
$∴$ No. of girls = $3$

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At summer camp the ratio of boys to girls was 10:1. If there were 30 boys, how many girls were there?

Boys : Girls = 10:1No. of boys = 30Now. BoysGirls=101 [Let the no. of girls be x]then 30x=101∴x=3∴ No. of girls = 3

Boys : Girls = $10 : 1$
No. of boys = $30$
Now. $\frac{B o y s}{G i r l s} = \frac{10}{1}$ [Let the no. of girls be x]
then $\frac{30}{x} = \frac{10}{1}$
$∴ x = 3$
$∴$ No. of girls = $3$