Try another version of this question Box 1: Enter your answer as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
According to a survey, ``90`%` of college students have a smartphone. Re-write ``90`%` as a ratio reduced to simplest terms.
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity `9/10`