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【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 33*1/3 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.
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分析A选项
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分析B选项
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分析C选项
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分析D选项
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分析E选项
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（1）r+h=33.33%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
题目讨论 （5条评论）
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Crystal8
“混合物”类型题目了
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2021-11-22 20:34:04
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1521764tlyg
晕了 被条件一套路了
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2021-10-06 23:58:51
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Elaine750
看清楚题目问的是什么
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2019-11-03 17:15:35
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157746a
（2） R=0.2(M+I) ； M+I = R/0.2 ； M+R+I=12000 ； R+5R=12000 ； 6R=12000 ； R=2000 所以（2）充分
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2019-10-25 14:54:14
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nailuo1
条件2其实只有一个未知数，可解
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2018-08-27 17:26:50
