The cpi in 1974 equaled 0.49. the cpi in 1975 equaled 0.54. the rate of inflation between 1974 and 1975 was percent.

10.2%

Explanation:

The Consumer Price Index CPI is a method used to measure inflation, or how much value you can get for your money across different years. It does this by using a weighted average of the price of commonly used goods and services in a country. By comparing the CPI of one year against another, we can calculate inflation or deflation.

The formula to calculate inflation is:

=0.102 or 10.2%

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