英語翻譯
英語翻譯
Fifteen band menmbers from your school were selected to play in the state orchestra.Twice as many students who play a wind instrument were selected as students who play a string or percussion instrument.Of the students selected,one fifth play a string instrument.How many students playing each type of instrumengt were selected to play in the state orchestra?
Fifteen band menmbers from your school were selected to play in the state orchestra.Twice as many students who play a wind instrument were selected as students who play a string or percussion instrument.Of the students selected,one fifth play a string instrument.How many students playing each type of instrumengt were selected to play in the state orchestra?
英語人氣：186 ℃時間：2020-06-07 13:29:49
優(yōu)質(zhì)解答
15個校樂團的人被選中了,其中演奏弦樂string和打擊樂percussion的人家起來是管樂器wind的兩倍.15個人中,5分之1是弦樂的.那么選中的人中三種樂器的格是多少人?number of students selected who play string instrumen...
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