问题标题:
请帮我算道英文算术题,ItcostacollegeRs.0.70acopytoproduceaProgrammeforthehomecomingfootballgame.IfRs.15,000/-wasreceivedforadvertisementsintheprogramme,howmanycopiesatRs.0.50acopymustbesoldtomakeaprofitofRs.80
问题描述:
请帮我算道英文算术题,
ItcostacollegeRs.0.70acopytoproduceaProgrammeforthe
homecomingfootballgame.IfRs.15,000/-wasreceivedforadvertisements
intheprogramme,howmanycopiesatRs.0.50acopymustbesoldtomake
aprofitofRs.8000/-
刚才找到了答案:广告赚了15000,最后的利润是8000,赔的15000-8000=7000是因为0.7/-生产而0.5/-出售,所以出售的数量是(15000-8000)/(0.7-0.5)=35000。这题太不走寻常了,开始怎么我都不肯相信生产成本大于售价。
李登科回答:
received15000.togetprofitof8000,maximumtotalcost=15000-80000=7000
ifcostpercopyisat0.50,
thentheno.ofcopies=7000/0.5=14000
哦忘了前面还有0.7,那就是7000/0.2=35000
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