If the Consumer Price Index rose from 180.9 in 2005 to 418.5 in 2015,what is the total percentage change in prices over this 10-year period?
A)131.34 percent.
B)18.5 percent.
C)80.9 percent.
D)127.21 percent.

Question

Quizplus · Accepted Answer

The total percentage change in prices over the 10-year period is calculated by the formula: [(Final CPI - Initial CPI) / Initial CPI] * 100. So, [(418.5 - 180.9) / 180.9] * 100 = 131.34 percent.

If the Consumer Price Index Rose from 180