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英语翻译
Sally and Yunting went shopping with the same amount of money.Sally spent 180yuan,and Yunting spent70yuan.Yunting had 3times as much money left as Sally.How much money did Sally bring along for shopping?
人气:440 ℃ 时间:2020-02-04 09:37:57
解答
翻译:萨利和云亭带着相同的钱去购物.萨利消费了180元,云亭花了70元.云亭现有的钱是萨利的三倍.萨利最初带了多少钱?
这个用方程做嘛.列 萨利和云亭最初带的钱= x
3(x - 180) = x - 70
3x - 540 = x - 70
2x = 470
x = 235
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