Problem

The Consumer Price Index (CPI) provides a means of determining the purchasing power of the...

The Consumer Price Index (CPI) provides a means of determining the purchasing power of the U.S. dollar from one year to the next. Using the period from 1982 to 1984 as a measure of 100.0, the CPI for selected years from 1998 to 2010 is shown in the table. To use the CPI to predict a price in a particular year, we set up a proportion and compare it with a known price in another year.

Use the CPI figures in the table to find the amount that would be charged for using the same amount of electricity that cost $225 in 1998. Give answers to the nearest dollar.

Year	Consumer Price Index
1998	163.0
2000	172.2
2002	179.9
2004	188.9
2006	201.6
2008	215.3
2010	218.1

Source: U.S. Bureau of Labor Statistics.

in 2002

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Solutions For Problems in Chapter 2.6

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