ABefore making the comparison in this problem, you need to analyze the information given to see what it tells you about the valu

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答案A

解析 Before making the comparison in this problem, you need to analyze the information given to see what it tells you about the value of Quantity A, the property tax in 2009 on a home in Town X that had an assessed value of $160,000. One way of doing this is to determine the value of the constant p and then use that value to calculate the tax on the home that had an assessed value of $160,000.
    Since it is given that a home that had an assessed value of $125,000 had a property tax of $2,500, you can conclude that p is equal to, or 2%. Once you know that the property tax is 2% of the assessed value, you can determine that tax on the home that had an assessed value of $160,000 was 2% of 160,000, or 3,200. The correct answer is Choice A.
    Another way to calculate the property tax on a home with an assessed value of $160,000 is by setting up a proportion. Because the tax rate is the same for each home in Town X, you can let the variable x represent the tax for the home assessed at $160,000 and solve for x as follows.

The correct answer is Choice A.
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