Intermediate Algebra

19th Edition

ISBN: 9780998625720

Author: Lynn Marecek

Publisher: OpenStax College

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Question

In 1985, the cost of a Big mac was $1.69. In 2015, the cost of a big mac was $4.79. By comparison, the CPI-U in 1985 was 107.6, and the CPI-U in 2015 was 237.0. Remember that the consumer price index for urban consumers shows how the prices for goods and services change over time for people living in cities. From 1985 to 2015, how did the price of a big mac change compare to the change in CPI-U?

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