When 2/5 of a certain number is added to the number and this sum is subtracted f

游客2024-01-12 24

问题 When 2/5 of a certain number is added to the number and this sum is subtracted from 108, the result is the original number. What is the original number?

选项 A、35
B、45
C、54
D、135/2
E、270

答案 B

解析 108减去某数与其2/5的和等于该数，问这个数是多少?
解：本题的正确答案为(B)。设该数为x，则由题意可得：108-(1+2/5)x=x so, x=45

转载请注明原文地址:https://tihaiku.com/zcyy/3356688.html

相关试题推荐

Normallyastudentmustattendanumberofcoursesinordertograduate,and
Normallyastudentmustattendanumberofcoursesinordertograduate,and
Infact,manystudiesindicatethatafteracertainpoint,anyone’sproductivity
MorethanonemillionyoungpeopleinBritainareunemployed,thehighestnumber
Itcanbeaperfectmirrorincertainlights,andthelargertheglass,themore
这种疾病困扰着大多数以米饭为主食的东方人。ItdistressedlargenumbersofEasternpeoplewholivedmai
Iamafraidthathisphonenumberhasslippedmy______forthemoment.A、headB、
Thenumberofmembersintheclub________totwohundred.A、werelimitedB、limits
Ourpreferencesforcertaincolorsare______accordingtothepassage.[br]If
Thedegree______youmaintainyourmentalhealthmaydependoncertainsimpleenv

随机试题

Inthe1920sdemandforAmericanfarmproductsfell,asEuropeancountriesb
Informationtheoryisprimarilya________study.A、theoryB、theoreticalC、therapy
Mostworthwhilecareersrequiresomekindofspecializedtraining.Ideally,
Imeant(buy)______aneveningpaperformydadbutIdidn’tseeanyonesellingth
Ifyou’relikemostpeople,you’rewaytoosmartforadvertising.Youskipr
A.细胞免疫缺陷病 B.选择性免疫球蛋白缺乏症 C.婴幼儿暂时性低丙种球蛋白
上消化道大出血患者出现外周血液血红蛋白下降的时间一般是A.即时 B.半小时
现行规范规定，纸质印刷的地图上，线划的最小宽度是（　　）mm。A.0.05 B
共用题干 TheGreatestMysteryofWhalesThe
2020年11月份，社会消费品零售总额39514亿元，同比增长5.0%，增速同比

最新回复(0)

When 2/5 of a certain number is added to the number and this sum is subtracted f

Normallyastudentmustattendanumberofcoursesinordertograduate,and

Normallyastudentmustattendanumberofcoursesinordertograduate,and

Infact,manystudiesindicatethatafteracertainpoint,anyone’sproductivity

MorethanonemillionyoungpeopleinBritainareunemployed,thehighestnumber

Itcanbeaperfectmirrorincertainlights,andthelargertheglass,themore

这种疾病困扰着大多数以米饭为主食的东方人。ItdistressedlargenumbersofEasternpeoplewholivedmai

Iamafraidthathisphonenumberhasslippedmy______forthemoment.A、headB、

Thenumberofmembersintheclub________totwohundred.A、werelimitedB、limits

Ourpreferencesforcertaincolorsare______accordingtothepassage.[br]If

Thedegree______youmaintainyourmentalhealthmaydependoncertainsimpleenv

Inthe1920sdemandforAmericanfarmproductsfell,asEuropeancountriesb

Informationtheoryisprimarilya________study.A、theoryB、theoreticalC、therapy

Mostworthwhilecareersrequiresomekindofspecializedtraining.Ideally,

Imeant(buy)______aneveningpaperformydadbutIdidn’tseeanyonesellingth

Ifyou’relikemostpeople,you’rewaytoosmartforadvertising.Youskipr

A.细胞免疫缺陷病 B.选择性免疫球蛋白缺乏症 C.婴幼儿暂时性低丙种球蛋白

上消化道大出血患者出现外周血液血红蛋白下降的时间一般是A.即时 B.半小时

现行规范规定，纸质印刷的地图上，线划的最小宽度是（ ）mm。A.0.05 B

共用题干 TheGreatestMysteryofWhalesThe

2020年11月份，社会消费品零售总额39514亿元，同比增长5.0%，增速同比

现行规范规定，纸质印刷的地图上，线划的最小宽度是（　　）mm。A.0.05 B