[問題]GWD23-22

[amyliang]

Q22:
At the beginning of the year, the Finance Committee and the Planning Committee of a certain company each had n members, and no one was a member of both committees. At the end of the year, 5 members left the Finance Committee and 3 members left the Planning Committee. How many members did the Finance Committee have at the beginning of the year?
(1)The ratio of the total number of members who left at the end of the year to the total number of members at the beginning of the year was 1:6.
(2)At the end of the year, 21 members remained on the Planning Committee.
ans:D
我不了解 為什麼(1)可以成立
(1) 又沒有明說是那一家公司...題目裡有二家公司耶..怎麼知道這個ratio 是F.C company 還是P.C company....呢????

[Huang Hsin-Yi]

第一選項 依照答案來看
說的是 兩家合起來離職的人數: 兩家剛開始的人數

[amyliang]

I got it. thank you

[yilingsky]

請問(2) 的式子,如何求出Finance Committee ?
只給21 members remained on the Planning Committee
=> p-3=21 p=24

原題條件給 F+P=N & (F-5) + (P-3) = N-8 為何將條件(2)代入,仍求不出Finance Committee ?

請指教,謝謝!

[Huang Hsin-Yi]

請問(2) 的式子,如何求出Finance Committee ?
只給21 members remained on the Planning Committee
=> p-3=21 p=24
each had n members
兩個會,人數一樣阿

原題條件給 F+P=N & (F-5) + (P-3) = N-8 為何將條件(2)代入,仍求不出Finance Committee ?

請指教,謝謝!