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最新题目

题目内容

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纠错
Supervisor’s memo: At the present rate of manufacture we will not have the 1,200 circuit boards assembled in time to ship them to the customer. We currently have 10 workers, all working 8 hours a day at the same hourly rate, assembling the boards, and to date they’ve assembled 400. In order to finish the customer’s order in time, I’ll need to have each of the workers work an additional 2 hours for each of the 10 work days between now and the deadline.One can determine the hourly rate at which each worker assembled circuit boards up to the date of the supervisor’s memo by dividing ___1___ circuit boards by the product of ___2___ worker-hours per day and the number of days since the workers began assembling the circuit boards.Select Circuit boards for the option that fills the blank labeled 1 in the given statement, and select Worker-hours for the option that fills the blank labeled 2 in the given statement to create the most accurate statement on the basis of the information provided. Make only two selections, one in each column.

Circuit boards Worker-hours
80
80
80
400
400
400
500
500
500
800
800
800
1,000
1,000
1,000
1,200
1,200
1,200
正确答案: 2,1

参考解析

提交我的解析
    涉及知识点概述
    本题涉及工作效率的计算逻辑,通过工作总量、工作人数、工作时间的关系来求解工作效率。 解析
    计算工人到目前为止的每小时装配电路板的速率,需要用已经装配好的电路板数量除以总工作小时数。已知已装配\(400\)块电路板,所以空白1应选\(400\)。目前有\(10\)个工人,每人每天工作\(8\)小时,那么每天的总工作小时数是\(10×8 = 80\)小时,空白2应选\(80\)。

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