Question

If the ratio is 8:7, how many boys and girls campers when there is a 195 campers

Answer 1

$\bf \cfrac{boys}{girls}\qquad \cfrac{8\cdot \frac{195}{8+7}}{7\cdot \frac{195}{8+7}}\implies \cfrac{8\cdot 13}{7\cdot 13}\implies \cfrac{104}{91}$