题目
求一道SAT数学题
One-fifth of the cars in a parking lot are blue and half of the blue cars are convertibles.If 1/4 of the convertibles in the parking lot are blue,than what percent of the cars in the lot are neither blue nor convertibles.
我么知道为啥每次做都和正确答案差了10%....
One-fifth of the cars in a parking lot are blue and half of the blue cars are convertibles.If 1/4 of the convertibles in the parking lot are blue,than what percent of the cars in the lot are neither blue nor convertibles.
我么知道为啥每次做都和正确答案差了10%....
提问时间：2020-08-07
答案
举一反三
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