首页
登录
职称英语
At the rates shown in the graph, which of the following is closest to the number
At the rates shown in the graph, which of the following is closest to the number
游客
2025-02-23
22
管理
问题
At the rates shown in the graph, which of the following is closest to the number of hours of work time that was required to pay for 20 kilograms of sugar in 1919 ? (1 kilogram equals 2.2 pounds, rounded to the nearest 0.1 pound.)
选项
A、11
B、14
C、20
D、31
E、53
答案
A
解析
If 1 kilogram equals 2.2 pounds, then 20 kilograms equals 44 pounds.
According to the graph, in 1919 the work time required to pay for 5 pounds of sugar was approximately 72 minutes, so the work time required to pay for 44 pounds of sugar was(72/5)(44), or 633.6 minutes, which is approximately 10.6 hours. Of the given choices, the one closest to this number is 11 hours. The correct answer is Choice A.
This explanation uses the following strategies.
Strategy 4: Translate from a Figure to an Arithmetic or Algebraic Representation
Strategy 5: Simplify an Arithmetic or Algebraic Representation
Strategy 9: Estimate
转载请注明原文地址:https://tihaiku.com/zcyy/3969906.html
相关试题推荐
Whichofthefollowingstatementsaretrue?[img]2015m7x/ct_egreqj_egreqjs_0124
Evaluatethefollowing.[img]2015m7x/ct_egreqj_egreqjs_0118_20151[/img][*]
15is60%ofwhatnumber?25Usethedecimalequivalentof60%.Because60%ofsom
Questionsarebasedonthefollowingdata.[img]2022m10s/ct_ve01203002j_egreqtbz
Questionsarebasedonthefollowingdata.[img]2022m10s/ct_ve01203002j_egreqtbz
Questionsarebasedonthefollowingdata.[img]2022m10s/ct_ve01203002j_egreqtbz
Whenthedecimalpointofacertainpositivedecimalnumberismovedsixplaces
Questionsarebasedonthefollowingdata.[img]2022m10s/ct_ve01203002j_egreqtbz
Questionsarebasedonthefollowingdata.[img]2022m10s/ct_ve01203002j_egreqtbz
Questionsarebasedonthefollowingdata.[img]2022m10s/ct_ve01203002j_egreqtbz
随机试题
[originaltext]Whatcolordoyoulike?[/originaltext][audioFiles]2021m12x/audio
Themomentumisbuildingaheadofnextmonth’sG8summitinScotlandwheret
It’sa(47)______oftenrequestedinlonelyheartsadsandscientistshaven
采用工程量清单计价,建设工程造价由下列何者组成?Ⅰ.分部分项工程费;Ⅱ.措施项目
下列关于食品添加剂的说法,错误的是A.食品添加剂应当有标签、说明书和包装 B.
()能使教师及时了解学生在该阶段的音乐学习情况,及时反馈教学信息,发现学生音
A.朱砂B.石菖蒲C.柏子仁D.合欢皮E.首乌藤有疏肝解郁、宁心安神功效的药物是
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
单位支取定期存款只能以转账方式将存款转入其()账户。A.一般存款
关于无效合同,说法正确的是()。A.造成对方人身伤害的免责条款无效 B.
最新回复
(
0
)