The consumer price index for urban consumers (CPI-U) measures the cost of consumer goods and services such as food, housing, transportation, medical costs, etc. The table shows the yearly percentage increase in the CPI-U over a decade.*
Year | Percentage change |
1996 | 3.0 |
1997 | 2.3 |
1998 | 1.6 |
1999 | 2.2 |
2000 | 3.4 |
2001 | 2.8 |
2002 | 1.6 |
2003 | 2.3 |
2004 | 2.7 |
2005 | 2.5 |
*U.S. Bureau of Labor Statistics; data for 2005 is for the first half.
In Exercise, let p denote the yearly percentage increase in the CPI-U. Find the number of years in this period which satisfied the given inequality.
p ≥ 2.8
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