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题库解析   >   比率、比例与百分比题型   >   DS351-380
    本题由chris提供
190次学习
DS351-380

【OG20-P289-416题】

Last year, if Arturo spent a total of $12,000 on his mortgage payments, real estate taxes, and home insurance, how much did he spend on his real estate taxes?

(1) Last year, the total amount that Arturo spent on his real estate taxes and home insurance was 33A percent of the amount that he spent on his mortgage payments.

(2) Last year, the amount that Arturo spent on his real estate taxes was 20 percent of the total amount he spent on his mortgage payments and home insurance.


    <p>A.&nbsp;Statement&nbsp;(1)&nbsp;ALONE&nbsp;is&nbsp;sufficient,&nbsp;but&nbsp;statement&nbsp;(2)&nbsp;alone&nbsp;is&nbsp;not&nbsp;sufficient.</p><p>B.&nbsp;Statement&nbsp;(2)&nbsp;ALONE&nbsp;is&nbsp;sufficient,&nbsp;but&nbsp;statement&nbsp;(1)&nbsp;alone&nbsp;is&nbsp;not&nbsp;sufficient.</p><p>C.&nbsp;BOTH&nbsp;statements&nbsp;TOGETHER&nbsp;are&nbsp;sufficient,&nbsp;but&nbsp;NEITHER&nbsp;statement&nbsp;ALONE&nbsp;is&nbsp;sufficient.</p><p>D.&nbsp;EACH&nbsp;statement&nbsp;ALONE&nbsp;is&nbsp;sufficient.</p><p>E.&nbsp;Statements&nbsp;(1)&nbsp;and&nbsp;(2)&nbsp;TOGETHER&nbsp;are&nbsp;NOT&nbsp;sufficient.</p>
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答案:
B
(1)r+h=33.3
3%m h与r比例不知,不充分 (2)r=20%(m+h) r占总比例可知,充分

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