首页
登录
职称英语
If the temperature decreases 30 percent from m degrees to 49 degrees, then m-49=
If the temperature decreases 30 percent from m degrees to 49 degrees, then m-49=
游客
2024-01-12
25
管理
问题
If the temperature decreases 30 percent from m degrees to 49 degrees, then m-49=?
选项
A、21
B、75
C、63.7
D、68
E、90
答案
A
解析
此题考查百分比上升或下降中谁是分母。温度从m度降到49度,下降了30%,那么(m-49)/m=30%。得到m=70,因此m-49=21。
转载请注明原文地址:https://tihaiku.com/zcyy/3354764.html
相关试题推荐
From1973to1986,growthintheUnitedStateseconomywasover33percent,whil
Ythexhasdevelopedasmalldieselenginethatproduces30percentlessparticul
Seventeenth-centuryphilosopherJohnLockestatedthatasmuchas99percentof
Seventeenth-centuryphilosopherJohnLockestatedthatasmuchas99percentof
Recentobservationssuggestthatsmall,earthlikeworldsformaverylowpercent
Because70percentofthepeopleofIndiausewoodastheirsolefuel,tenmilli
Ms.Smithgotan8percentcostoflivingraiseof$20perweek.ColumnA
FAMILYX’SEXPENDITURESASAPERCENTOFITSGROSSANNUALINCOME*[img]ct_gre6im
Aconsumerinsulatesahousewithmaterialboughtat20percentoffthelistpri
xpercentof24is12ColumnAColumnBx5
随机试题
Itookaglimpseofthetaxibeforeitdisappearedaroundthecornerofthestre
TheSingaporeundergroundtrainsystem,knownastheMRT,offersaspeedyan
Modernscientistsdividetheprocessofdyingintotwostages-clinicalorte
各级国家档案馆馆藏的保管()档案分一、二、三级管理,分级的具体标准和管理办法由
下列母线形式哪个不属于有汇流母线的接线方式()。A.单母线 B.双母线 C
如果王女士持有该笔债券至今年年中,但由于宽松的货币政策对宏观经济的刺激作用发挥出
(2018年真题)期货公司董事任职期间,累计2次被行业自律组织纪律处分可以将其认
变截面杆AC受力如图。己知材料弹性模量为E,杆BC段的截面积为A,杆AB段的截面
某单线铁路车站(如下图所示),在复线施工中需要站台抬高10cm,原先的两股到发线
按照《建筑工程五方责任主体项目负责人质量终身责任追究暂行办法》规定,下列不属于建
最新回复
(
0
)