mr.liu always saves 25% of his income .when his income increases by 5% ,his saving increases by $48 .find his original i
mr.liu always saves 25% of his income .when his income increases by 5% ,his saving increases by $48 .find his original income.
英語人氣：948 ℃時(shí)間：2020-06-21 12:14:21
優(yōu)質(zhì)解答
mr.liu always saves 25% of his income . when his income increases by 5% , his saving increases by $48 . find his original income.劉先生始終節(jié)省25%的收入.當(dāng)他的收入增加5%,他的儲(chǔ)蓄增加48美元.發(fā)現(xiàn)他原來...我素要答案（你這是百度翻譯的，我不會(huì)嗎？）字面就這意思啊答案設(shè)原來收入為x元((x+1/20x)-x)乘以0.25=48 x=48乘以80x=3840僅供參考 歡迎采納 希望幫到你
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