從悉尼到墨爾本的飛機票有35%的折扣,如果Amy付了$179的價格買機票~那么折扣前的價格是多少呢?
假設原價是x,(1-0.35)x=179
得出x=179/0.65= 275.385(四舍五入)
英語翻譯
英語翻譯
the plane fare fromsy sydney to melbourne has been discounted by 35% .if Amy paid %179 for a discounted ticket,what was the pre-discount price?
the plane fare fromsy sydney to melbourne has been discounted by 35% .if Amy paid %179 for a discounted ticket,what was the pre-discount price?
英語人氣:665 ℃時間:2020-03-30 13:50:33
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