Mathematics, 14.06.2021 16:50 20stirltrer
In 2007, 4% of people buying new cell phones purchased a bluetooth earpiece during the same transaction. In 2012, 28% of people buying new cell phones purchased a bluetooth earpiece during the same transaction. Of the following choices, what is correct about the growth of bluetooth sales?
a. It rose by 120 percentage points.
b. It rose by 24 percentage points.
c. It rose by 12%.
d. It rose by 24%.
Answers: 2
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