300 = Total candies
28% = Percent of candies that are red
100% - 28% = 72%
72% = Percent of candies that are NOT red
My personal preference for setting up this type of question:
300 -> 100% (Total candies)
___ -> 72% (NOT red candies)
___ -> 28% (Red candies)
Next:
28% = 0.28
300 x 0.28 = 84
84 = Number of candies that are red
300 -> 100% (Total candies)
___ -> 72% (NOT red candies)
84 -> 28% (Red candies)
Now:
300 - 84 = 216
300 -> 100% (Total candies)
216 -> 72% (NOT red candies)
84 -> 28% (Red candies)
216 equals the number of candies that are NOT red.
