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
60
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
______enoughtimeandmoney,theresearcherswouldhavebeenabletodiscovermo
Whatistheequationofalineparalleltoy=4x-12thatcrossesthey-axisat3?
Whichofthefollowingisanexampleofacronym?A、UNESCO.B、VOA.C、UN.D、VIP.A
Tom:So,______?Boris;Oh,nothingmuch.Theusualthings,youknow.Tom;Mm..
以下关于联合用药的论述正确的是()。A:联合用药为同时或间隔一定时间内使用两种
男,28岁,突发上腹部疼痛,蔓延至全腹8小时,腹痛呈持续性。查体:患者呈舟状腹,
共用题干 AmericanFamilies1Despitesocial
期货投资者保障基金启动资金的来源为( )。A.期货交易所交易手续费 B.期货公
根据弗农的产品生命周期理论,如果某产品由厂商垄断技术,此时,最有利、最安全的选择
某一建筑工程计划建设工期为1年8个月,工程合同价格为600万元,按照《建筑工程施
最新回复
(
0
)