PP-PS1完整詳解版-V2[1].0

2710item187058002886

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Unformatted text preview: ill be white is twice the probability that it will be red. How many white roses are in the flower arrangement? (A) 5 (B) 10 (C) 15 (D) 20 (E) 25 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 作作作作D 作作作作作作w=the probability of white rose, r= the probability of red rose w r = 2 × 作w+r=30,作w=20 30 30 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 9. 1700­!­item­!­187;#058&001066 Last year the range of the annual salaries of the 100 employees at Company X was $30,000. If the annual salary of each of the 100 employees this year is 10 percent greater than it was last year, what is the range of the annual salaries of the 100 employees this year? (A) $27,000 (B) $30,000 (C) $33,000 (D) $36,000 (E) $63,000 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 作作作作C 作作作作Last year the range of the annual salaries of the 100 employees at Company X作30,000作作作作作annual salaries=50,000,作作annual salaries=20,000作 作作作作作作annual salary作10作 作作the range of the annual salaries of the 100 employees this year=50,000x(1.1)­20,000x(1.1)=33,000 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­...
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