逆向求值百分比★★★★★同型源自真题 2010-12✓ 已校验In a parking lot there are 600 cars, of which 70% are sedans and the rest are SUVs. How many sedans must leave so that 60% of the remaining cars are sedans?一个停车场里有 600 辆车,其中 70% 是轿车,其余是 SUV。需要开走多少辆轿车,才能使留下的车中轿车占 60%?(A)60(B)180(C)150(D)90(E)120