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  • Paul is 5 years younger than Roman and Jules is 10 years younger than the sum of Paul's and Roman's age.How old is Roman

    Paul is 5 years younger than Roman and Jules is 10 years younger than the sum of Paul's and Roman's age.How old is Roman if the three ages add up to 80 years?
    請在15分鐘內(nèi)回答
    英語人氣:743 ℃時間:2020-05-08 06:15:10
    優(yōu)質(zhì)解答
    設(shè)Roman x歲
    x+x-5+ x+x-5-10=80
    x=25
    所以Paul 20,Roman 25,Jules 35.
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