SAT数学Problem Solving练习题(37)
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摘要:下面是小站SAT频道为大家整理了SAT数学Problem Solving练习题(37),供考生们参考,以下是详细内容。
以下是小站SAT频道为大家整理了SAT数学Problem Solving练习题(37),供考生们参考,以下是详细内容。
Question 37: The price of wheat was $5/bushel on January 2007 and $9/bushel on January 2008. By what percentage did the price change?(a) 10%
(b) 40%
(c) 60%
(d) 80%
(e) 90%
Answer: The price change is [(Price2008 - Price2007)/Price2007]·100 = [(9 - 5)/5]·100 = (4/5)·100 = 80%
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