Respuesta :
[tex]g-number\ of\ girls\\\\3:5=\dfrac{3}{5}\\\\The\ equation:\\\\\dfrac{27}{g}=\dfrac{3}{5}\qquad\text{cross multiply}\\\\3g=(27)(5)\qquad\text{divide both sides by 3}\\\\g=(9)(5)\\\\\boxed{g=45}\\\\Answer:\ \boxed{45\ girls}[/tex]
[tex]g-number\ of\ girls\\\\3:5=\dfrac{3}{5}\\\\The\ equation:\\\\\dfrac{27}{g}=\dfrac{3}{5}\qquad\text{cross multiply}\\\\3g=(27)(5)\qquad\text{divide both sides by 3}\\\\g=(9)(5)\\\\\boxed{g=45}\\\\Answer:\ \boxed{45\ girls}[/tex]