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  • Marshall had twice as many marbles ae Esther.when Esther gave him 12 of her marbles,he then hai 120 more marbles than he

    Marshall had twice as many marbles ae Esther.when Esther gave him 12 of her marbles,he then hai 120 more marbles than her.how many marbles did Esther have at first
    英語人氣:590 ℃時間:2020-05-13 08:33:56
    優(yōu)質解答
    原題是:已知Marshall的彈珠是Esther的兩倍,若Esther給Marshall 12個彈珠,則Marshall比Esther多120個彈珠,求 剛開始的時候 Esther有幾個彈珠呢?設Esther有x個 ,則Marshall有2x個,由題知,X-12=2X+12-120解得 x =96所...
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