Which of the following shows that $\frac{1}{5}$15 of these trees have been selected?
Which of the following shows that $\frac{2}{4}$24 of these ice creams have been selected?
Which of the following shows that $\frac{1}{6}$16 of these cats have been selected?
Which of the following shows that $\frac{1}{8}$18 of these stars have been selected?