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
24
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
Whatistheconversationmainlyabout?[br][originaltext]M:Doyouwanttogo
Astheholidaysapproach,manypeoplearefinishingtheirtravelplans.And
[originaltext]Now,listentoPartTwooftheinterview.W:Right.Researchers
下述哪种睾丸肿瘤属于非生殖细胞肿瘤A.胚胎癌 B.绒毛膜上皮癌 C.恶性畸胎
下列关于患者享有平等医疗权利的表述错误的是A.公民享有平等的生命健康权 B.应
下列各项中,哪两脏可同有血虚的证候?( )A.心、脾 B.肝、脾 C.心、
在工程质量的管理过程中,必须明确相应的责任和义务,这样在发生质量问题时,有所依据
C提示写成隐函数F(x,y,z)=0,即z-x2+y2=0
根据《中华人民共和国民事诉讼法》,下列由人民法院作出的裁定中,可以上诉的有()。
下列有关专业工程分包人主要责任和义务的表述正确的有()。A.就分包工程范围内的
最新回复
(
0
)