Concept explainers
Look at the gasoline price index in Table 3.2. What does the
2005 price index of 192.5 tell us?
a. Gas in 2005 cost 192.5 times as much as gas in 1985.
b. Gas in 2005 cost 1.925 times as much as gas in 1985.
c. Gas in 2005 cost 192.54¢ per gallon.
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Chapter 3 Solutions
Using & Understanding Mathematics: A Quantitative Reasoning Approach (7th Edition)
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Mathematical Ideas (13th Edition) - Standalone book
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Mathematics for Elementary Teachers with Activities (5th Edition)
Mathematics with Applications In the Management, Natural, and Social Sciences (12th Edition)
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