The price of a McDonald's hamburger in 1955 was $0.15 when the price index was 27; if in 2011,it was $0.89 when the price index was 220,then the inflation-adjusted price of a McDonald's hamburger in 2011 was:
A) almost exactly the same (within 10%).
B) much higher (twice or more) than 2011's actual price.
C) much lower (half or less) than 2011's actual price.
D) a bit higher than 2011's actual price (1-1.99 times as much).
E) a bit lower than 2011's actual price (0.51-0.90 times as much).

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The Answer of The price of a McDonald's hamburger in 1955 was $0.15 when the price index was 27; if in 2011,it was $0.89 when the price index was 220,then the inflation-adjusted price of a McDonald's hamburger in 2011 was:
A) almost exactly the same (within 10%).
B) much higher (twice or more) than 2011's actual price.
C) much lower (half or less) than 2011's actual price.
D) a bit higher than 2011's actual price (1-1.99 times as much).
E) a bit lower than 2011's actual price (0.51-0.90 times as much).

The Price of a McDonald's Hamburger in 1955 Was $0