Question

Debra found that 6 of the 24 students in her class own a cell phone what is th ratio of students that own a cell phone to students that do not

Answer 1

There are 24 students in total.

6 own a cell, the rest does not, 24 - 6 is 18, so 18 do not.

$\bf 6:18\implies \cfrac{6}{18}\implies \cfrac{1}{3}$