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  • 1.The least common multiple of 2 positive integer's 144.The greatest common divisior is 2.Nether integer is 2.Find both

    1.The least common multiple of 2 positive integer's 144.The greatest common divisior is 2.Nether integer is 2.Find both integer.
    2.A store owner sold a vaccum cleaner for 40% off its marked price.The profit was 50% of its cost.What is the ratio of the marked price to cost?
    求翻譯和解答.
    英語(yǔ)人氣:711 ℃時(shí)間:2020-06-23 01:32:44
    優(yōu)質(zhì)解答
    1.兩個(gè)正整數(shù)最小公倍數(shù)是144,最大公因數(shù)是2,并且兩數(shù)都不是2,求兩正整數(shù).
    16 18
    2.一個(gè)店主以低于售價(jià)40%的價(jià)格賣了個(gè)清潔器,利潤(rùn)是成本的50%,問(wèn)標(biāo)價(jià)和成本的比例是多少?
    設(shè)成本為x,1.5x就是實(shí)際售價(jià),1.5x除0.6等于2.5x,所以標(biāo)價(jià)與成本的比例為2.5
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