GWD 0-19

[邁向高等學府]

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?
A. 50
B. 51
C. 56
D. 57
E. 60
答案為D
麻煩大家

[Pufa]

設每工作一天可以有x的業績。

20x+17X+19x=168
x=3
19x3=57

[SELVICHY]

[quote="邁向高等學府"]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?
A. 50
B. 51
C. 56
D. 57
E. 60
答案為D
麻煩大家[/quote]
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題目說明sales call的數目跟days worked 相同比例
故列式 19/(20+17+19)=x/168
x=57