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With her promotion, Nicki's salary increased from $19.50 an hour to $22.50 an hour. What is the percent of increase, rounded to the nearest whole number? A. 9% B. 15% C. 18% D. 22%
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4 votes
With her promotion, Nicki's salary increased from $19.50 an hour to $22.50 an hour. What is the percent of increase, rounded to the nearest whole number?

A. 9%
B. 15%
C. 18%
D. 22%

User Eugene Brusov
by
8.2k points

2 Answers

5 votes
it would be B because the acctual percentage is %15.38
User Kirill Leontev
by
8.5k points
4 votes
The equation for percentage increase is
{(New value - old value) / old value} x100%
Therefore it should be
{(22.5 - 19.5) / 19.5} x 100%
=15% (rounded to nearest whole number)
Answer is B
User Roman Sterlin
by
8.4k points
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