填空题某电器按成本价提高30%后标价,再打8折(标价的80%)销售,售价为2080元.则该电器的成本价为____.
填空题
某电器按成本价提高30%后标价,再打8折(标价的80%)销售,售价为2080元.则该电器的成本价为____.
参考解析
解析:
设该电器的成本价为x,由题意,知该电器按成本价提高30%后的标价为(1+30%)x,在此基础上打8折销售,则售价为(1+30%)x×80%,即(1+30%)x×80%=2080,由此可求出x=2000.
设该电器的成本价为x,由题意,知该电器按成本价提高30%后的标价为(1+30%)x,在此基础上打8折销售,则售价为(1+30%)x×80%,即(1+30%)x×80%=2080,由此可求出x=2000.
相关考题:
单选题下列与体育运动有关的描述正确的是( ).A初中学生50m跑步测试成绩一般是30sB在运动鞋底做有花纹是为了增大摩擦C掷出的铅球,在下落过程中动能转化为重力势能D踢足球时,脚对球的作用力和球对脚的作用力是一对平衡力
单选题—Must I return the book tomorrow morning?—No, you ______.You can keep it longer.Amustn’tBcan’tCneedn’tDcouldn’t
单选题The road was muddy. It _____ last night.Amust rainedBmust have rainedCmust be rainedDcould have rained
单选题Which of the following is TRUE according to the passage?AYou should limit your mobile phone calls to personal affairs.BYou should speak quietly into your phone while in a church.CYou are supposed to turn off your mobile phone at a funeral.DYou are supposed to use your mobile phones as much as possible.
单选题______ of the land in that district is covered with trees and grass.AFifth twoBTwo fifthCFifth secondDTwo fifths
单选题Mary called and asked her husband ______ home at once, because she locked her daughter in the home.Ato leaveBleaveCgoDto go
单选题It is the ability to do the job _____ matters, not where you come from or what you are.AoneBthatCwhatDif
单选题Not until that day _____ the importance of good manners in a job interview.Adid I realizeBI did realizeCI have realizedDhave I realized
多选题习近平主席要求全军牢牢把握党在新形势下的强军目标,这就是要( )。A铸牢听党指挥这个强军之魂B扭住能打仗、打胜仗这个强军之要C夯实依法治军、从严治军这个强军之基D加强科学文化学习这个强军之本
单选题胡锦涛同志在军队一次重要会议上郑重提出并系统阐述了“忠诚于党,热爱人民,报效国家,献身使命,崇尚荣誉”的当代革命军人核心价值观。其中“忠诚于党”就是( )。A要忠实践行全心全意为人民服务的根本宗旨,视人民利益高于一切、重于一切,永葆人民子弟兵政治本色,与人民心连心、同呼吸、共命运,为人民无私奉献。B要履行革命军人神圣职责,爱军精武,爱岗敬业,不怕牺牲,英勇善战,坚决履行好党和人民赋予的新世纪新阶段军队历史使命。C要自觉坚持党对军队的绝对领导,高举中国特色社会主义伟大旗帜,坚定中国特色社会主义理想信念,任何时候任何情况下都坚决听党指挥。
单选题David’s _____ over deafness, blindness and muteness was a miracle.AtriumphBtrumpetCsuccessDvictory
单选题What does the underlined word ―optimistic mean?ALucky and happy.BHopeful and confident.CHelpful and creative.DThankful and popular.
多选题“在税收体制和税收政策不变的前提下,财政收入会随着经济繁荣而增加,随着经济衰退而减少。”这句话说明( )。A经济发展水平对财政收人的影响是基础性的B税收对经济发展有调节作用C政府货币政策影响财政收人