Answer:
3/5
Explanation:
There are 18 girls and 30 students in total; thereofre, the ratio of girls to the total number of students is
[tex]\frac{\text{girls}}{\text{total students}}=\frac{18}{30}[/tex]
To reduce the above ratio to the simplest terms, we divide both the numerator and the denominator by 2
[tex]\frac{18\div2}{30\div2}=\frac{9}{15}[/tex]
further dividing by 3 gives
[tex]\frac{9\div3}{15\div3}=\frac{3}{5}[/tex]
the fraction 3/5 cannot be further simplified, and therefore, its is our a
