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In 1990 thebudgets for projects Q and V were $660,000 and $780,000, respectively. In each of the next 10 years, the budget forQ was increased by $30,000 and the budget for V was decreased by $10,000. In which year was the budget for Q equal tothe budget for V?
Which of the following, if true, most logically completes the argument?
Aroca County's public schools are supported primarily by taxes on property. The county plans to eliminate the property tax and support schools with a new three percent sales tax on al retail items sold in the county. Three percent of current retail sales is less than the amount collected through property taxes, but implementation of the plan would not necessarily reduce the amount of money going to Aroca County public schools, because____________.
A. many Aroca County residents have already left the county because of its high property taxes
B. a shopping mall likely to draw shoppers from neighboring counties is about to open in Aroca County
C. at least some Aroca County parents are to use the money they will save on property taxes to send their children to private schools not funded by the county
D. a significant proportion of parents of Aroca County public school students do not own their homes and consequently do not pay property taxes
答案：B 题目翻译：1990 年项目 Q 与 V 的预算分别是 660,000 和 780,000，之后 10 年，Q 项目预算每年增加 30,000，V 项目每年减少 10,000，请问哪一年两个项目的预算将持平？ 思路点拨： 设未知数，列等式。
题目全解：660,000+30,000N=780,000-10,000N N=3 1990+3=1993
What additional informationwould provide a reason to believe that the county schools will not lose out onfunding if the new sales tax is implemented? We are told that the sales taxwould generate less money than the
propertytax does based on current retail sales. But if retail sales increase enough,the sales tax may end up generating even more money than the property tax does.Consequently, more money may be available for the schools. Therefore, look foran answer option suggesting that retail sales in the county will increasesignificantly.
A. However many residents haveleft the county, the given information states that property tax still generatesmore money than the sales tax would generate based on current retail sales.Therefore this answer option gives no reason to believe that switching to thesales tax would reduce funding for the schools.
B. Correct. A new shopping mall that drawsshoppers from neighboring counties would likely increase Aroca County's retailsales, generating more tax money for the schools.
C. If fewer parents use the publicschools, the schools may be able to cut spending and have more money left over,but that does not mean the schools will get as much money from the sales tax asthey currently do from the property tax.
D. Even if many parents rentrather than own their homes and thus do not pay the property tax themselves,presumably somebody does. Who pays the tax does not affect the total amountcollected and is therefore irrelevant to the argument.
E. This suggests that the salestax would lead to higher after-tax retail prices, which would probably reduceretail sales and hence result in even less tax revenue for the schools-contraryto the conclusion drawn in the argument.
The correct answer is B.