首页
登录
职称英语
A rectangular floor 18 feet by 10 feet is to be completely covered with carpetin
A rectangular floor 18 feet by 10 feet is to be completely covered with carpetin
游客
2024-01-12
37
管理
问题
A rectangular floor 18 feet by 10 feet is to be completely covered with carpeting that costs x dollars per square yard. In terms of x, how many dollars will the carpeting cost? (1 yard = 3 feet)
选项
A、20x
B、28x
C、60x
D、180x
E、540x
答案
A
解析
一长为18英尺,宽为10英尺的长方形地板要全部铺上每平方码x美元的地毯。以x为单位,地毯总共需花多少钱?(1码=3英尺)
解:本题的正确答案为(A)。解答该题时,考生一定要注意前后单位的变化,一时疏忽很易选(D)。考虑单位变化,18/3 × 10/3 ×x=20x。
转载请注明原文地址:https://tihaiku.com/zcyy/3356642.html
相关试题推荐
Aresearcherdiscoveredthatpeoplewhohavelowlevelsofimmune-systemactivit
Aresearcherdiscoveredthatpeoplewhohavelowlevelsofimmune-systemactivit
Peoplehavediscoveredtheprinciplesofsolarenergywheneverfuelbecomesscar
ThecomplextaxdisputebetweentheCoveredBridgeMallandHarrisTownshipisn
Becausethefinancialreviewcoveredonlythelastfewfiscalyears,andtherefo
AstronomersatthePalomarObservatoryhavediscoveredadistantsupernovaexplo
StudyingskeletonsunearthednearRome.DNAevidencewasrecoveredbvscientists
AfossilrecentlydiscoveredinMarlandia,achainofislands,provesthatapre
ResearchersinCityXrecentlydiscoveredlowlevelsofseveralpharmaceuticald
FirstdiscoveredseveralyearsagoinNorthAmericanlakesandrivers,thenorth
随机试题
Writeanoteofabout50-60wordsbasedonthefollowingsituation:Last
Imagine,JohnLennon’smost,famoussong,wasrecentlyvoted"Britain’s
关于贷款意向书和贷款承诺,以下表述不正确的是()。[2016年6月真题]A.在出
货币经纪公司的服务对象是()。A.地方政府 B.上市公司 C.事业单位
患者,男性,70岁。晨练时跌倒后右手掌着地,出现腕部疼痛、肿胀、畸形、活动受限。
患者,男,62岁,2年前行"人工瓣膜置换术",术后遵医嘱服用华法林。护士建议该患
下列关于金融期权的定义说法正确的有()。 ①期权是指其持有者能在规定的期限内
阿托品联用解磷定解除有机磷中毒的机制是A.促进吸收 B.减少不良反应 C.作
下列人民防空工程的安全疏散设施,正确的是()。A.设有电影院的人防工程,底层室内
并购重组委员会委员以个人身份出席并购重组委员会会议,依法履行职责,独立发表审核意
最新回复
(
0
)