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题库 / OG2017Q-PS-126
David used part of $100,000 to purchase a house. Of the remaining portion, he invested 1/3 of it at 4 percent simple annual interest and 2/3 of it at 6 percent simple annual interest. If after a year the income from the two investments totaled $320, what was the purchase price of the house?
$96,000
$94,000
$88,000
$75,000
$40,000
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原题是David used part of $100,000 to purchase a house. Of the remaining portion, he invested 1/3 of it at 4 percent simple annual interest and 2/3 of it at 6 percent simple annual interest. If after a year the income from the two investments totaled $320, what was the purchase price of the house?
少了一个1/3 和2/3
感谢指出，是说怎么像是少条件
多谢，我说怎么这么奇怪。。
题目已更新，感谢指正。
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