SAT官方每日一题2011709-智课教育出国考试

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1、智 课 网 S A T 备 考 资 料SAT官方每日一题2011709-智课教育出国考试SAT官方每日一题之数学-选择 Mathematics Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. The weights of bags of apples range from pounds to pounds. If is the weight, in pounds, of one of these bags, which

2、of the following must be true? Answer Choices (A) (B) (C) (D) (E) The correct answer is B ExplanationIf is the weight, in pounds, of one of the bags of apples, then it must be true that , because the weights of the bags range from pounds to pounds. These inequalities are equivalent to , which are equivalent to . Using the definition of absolute value, you have .