If it cost $12 to fill a gas tank in 2000, how much would it have cost to fill the same tank in 1990? Average Gasoline Prices (per gallon) Year Price Price as a Percentage of 2000 Price Price Index (2000=100) 1960 $0.31 19.9% 19.9 1970 $0.36 23.1% 23.1 1980 $1.22 78.2% 78.2 1990 $1.23 78.8% 78.8 2000 $1.56 100.0% 100.0 2010 $2.84 182.1% 182.1
If it cost $12 to fill a gas tank in 2000, how much would it have cost to fill the same tank in 1990? Average Gasoline Prices (per gallon) Year Price Price as a Percentage of 2000 Price Price Index (2000=100) 1960 $0.31 19.9% 19.9 1970 $0.36 23.1% 23.1 1980 $1.22 78.2% 78.2 1990 $1.23 78.8% 78.8 2000 $1.56 100.0% 100.0 2010 $2.84 182.1% 182.1
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question
If it cost $12 to fill a gas tank in 2000, how much would it have cost to fill the same tank in 1990?
Average Gasoline Prices (per gallon)
Year
|
Price
|
Price as a Percentage
of
2000
Price |
Price Index
(2000=100)
|
||
---|---|---|---|---|---|
1960
|
$0.31
|
19.9%
|
|
19.9
|
|
1970
|
$0.36
|
23.1%
|
|
23.1
|
|
1980
|
$1.22
|
78.2%
|
|
78.2
|
|
1990
|
$1.23
|
78.8%
|
|
78.8
|
|
2000
|
$1.56
|
100.0%
|
|
100.0
|
|
2010
|
$2.84
|
182.1%
|
|
182.1
|
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