Re: [計量] BB的題目
※ 引述《trfwto (中華隊加油)》之銘言：
: Last week's total hours worked and hourly wages for the cashiers at market X
: Cashier Hourly wage Total hours worked
: P 4.25 40
: Q 4.75 32
: R 5.00 26
: S 5.50 25
: T 5.50 22
: Note: Last week no more than two cashiers worked at any one time, no cashier
: worked more than 12 hours on the same day, and on each day each cashier
: worked continuously.
: Q: If market X is open 96 hours per week, for how many hours last week were
: two cashiers working at the same time?
: (A)49 (B)48 (C)36 (D)24 (E)12
: Ans: A
任何時間都不能有超過兩個員工工作
所以有時是一個 有時是兩個
五個員工共工作40+32+26+25+22=145個小時
可是只營業96個小時
所以共有145-96=49個小時 是兩個人同時在工作
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.113.68.218
推
05/23 00:05, , 1F
05/23 00:05, 1F
討論串 (同標題文章)
GRE 近期熱門文章
PTT職涯區 即時熱門文章
51
102