There were 140 kids in the junior prom. Of those, a fourth of them were dancers. Of the dancers, 25 danced the slow dance. How many of the dancer students did not slow dance?
Thoughts? Step-by-step reasoning:
140 / 4 = 35 of the students were dancers. 35 - 25 = 10 of the dancer students did not slow dance.
Thus, the answer is 10.