762 V1:( by GMU) DS:一个dealer手上有带有fog的车大于10辆,有wind tining (拼得不对)的车有40%(我不记得这条件是否准确),问是否有wind tining 的车的数量大于有fog的车的数量 1. 在有fog的车里面有80%的有wind tining 2. 只有fog,只有wind,+两个都有的有52辆 我选得C 参考答案:E? T=total, F is the car has fog light. W =T-F, F+w=52, w+F*0.8=40%T, it seems there might be a missing condition.