There are two baskets of apples(one is bigger and the other one is smaller),the unit-price tatio of the bigger ones and the smaller ones is 5:4,and the weight ratio is 2:3.Mix the two baskets of apples,and there are 100kilograms apples,the unit-price is 4.4Yuan per kilo.What are the original prices of the two baskets of apples? 有了大小兩筐蘋果,大蘋果與小蘋果單價比為5:4,其重量比為2:3.把兩筐蘋果混合在一起恰好是100千克的混合蘋果,單價是44元每千克,問兩筐蘋果原來的單價各是多少?
There is a 1000-meter-long steel bridge,and it takes the train 120reconds to get itd locomotive to the bridge and the rear rnd off it.Theduration of the whole train running on the bridge is 80sconds,what are the length and the speed of train? 一座鐵橋長1000米,一列火車從車頭上橋到車尾離開橋共用了120秒,已知整個火車完全在橋上行駛的時間為80秒,求火車的長度與火車的速度.
There are two baskets of apples(one is bigger and the other one is smaller),the unit-price tatio of the bigger ones and the smaller ones is 5:4,and the weight ratio is 2:3.Mix the two baskets of apples,and there are 100kilograms apples,the unit-price is 4.4Yuan per kilo.What are the original prices of the two baskets of apples? 有了大小兩筐蘋果,大蘋果與小蘋果單價比為5:4,其重量比為2:3.把兩筐蘋果混合在一起恰好是100千克的混合蘋果,單價是44元每千克,問兩筐蘋果原來的單價各是多少?