题目内容
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题目材料：
In City X, the percent increase from 1997 to 1999 in the average cost of a deck addition was 45 percent, and the percent increase from 1994 to 1997 in the average cost of a deck addition was 26 percent. Which of the following expressions represents the average cost, in dollars, of a deck addition in City X in 1994 ?
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A(1.45)(1.26)(9,100)
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B(0.45)(0.26)(9,100)
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C$$\frac{(1.26)(9,100)}{1.45}$$
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D$$\frac{(9,100)}{(1.45)(1.26)}$$
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E$$\frac{(9,100)}{(0.45)(0.26)}$$
D显示答案
