[計量] BB的題目
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
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