问题标题:
用英文写的数学应用题,求直接用阿拉伯数字解答Aschoolwithatotalof1032studentshasmaleandfemalestudentsintheratioof7:5respectively.Howmanyfemalestudentsattendthisschool?Anewencironmentallyfriendlygarde
问题描述:
用英文写的数学应用题,求直接用阿拉伯数字解答
Aschoolwithatotalof1032studentshasmaleandfemalestudentsintheratioof7:5respectively.Howmanyfemalestudentsattendthisschool?
Anewencironmentallyfriendlygardenfeitilizermixturecontains2partsofthesepcialorganicX,2partsofthespecialorganicYand3partsofthespecialorganicZ.HowmanykilgramsofthespecailorganicZisthereinabagoffertilizerwhichweighs56kilograms?
Fourpeople(Geoff,Brooke,JessicaandAngela)paidmoneyintheratioof6:7:4:3respectivelytobuyaspeciallotteryticket.Luckyforthem,theywonthelotteryof$250000.Iftheysplitthewinningsupintothesameratio,howmuchdoeseachpersonreceive?
罗文劼回答:
1032x5/(7+5)=430
56x3/(2+2+3)=24
6+7+4+3=20
Geoff:6/20*250000=75000
Brooke:7/20*250000=87500
Jessica:4/20*250000=50000
Angela:3/20*250000=37500
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