gmat数学Month Number of Days Worked June 20 July 17 August 19

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/15 16:15:25

gmat数学
Month Number of Days Worked
June 20
July 17
August 19
The table above shows the number of days
worked by a certain sales representative in each of three months last
year.If the number of sales calls that
the representative made each month was proportional to the number of days
worked in that month and if the representative made a total of 168 sales calls
in the three months shown,how many sales calls did the representative make in
August?
50
51
56
57
60

6、7、8月分别工作20、17、19天,在这些工作日里打了168个电话,假如每个月打电话的数量之比和每个月的工作天数之比相同,问8月打了多少个电话?
20x + 17x + 19x =168
x = 3
8月打了3*19 = 57个

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