Answer:
B
Step-by-step explanation:
The advantage of using percentages is that in some settings, but by no means all, the total of all of the expressed percentages in a problem has to be 100.0, not accounting for small rounding errors.
For example, if you hear that 68 percent of the Canadian population has been to at least one Justin Bieber concert, then you know by an immediate process of elimination that 32 percent of the same population has not seen Bieber perform, since 68 + 32 = 100
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