Boys and girls are in the ratio 7:11. If there's 595 boys, how many girls are there?

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Answer 1 · 2018-03-10T21:51:35

$935 g i r l s$ $935 girls$

Take the ratio and set it up as a proptortion.

$7 : 11$ $7:11$ is the fraction $\frac{7}{11}$ $7/11$

$\frac{b o y s}{g i r l s} = \frac{7}{11} = \frac{595}{x}$ $(boys)/(girls) = 7/11 = 595/x$

Cross multiply

$7 x = 595 (11)$ $7x = 595(11)$

$x = \frac{595 (11)}{7}$ $x = (595(11))/7$

$x = 935$ $x = 935$