[計量] 再請教兩題數學～麻煩大家了！
1. a certain clock marks every hour by striking a number of times equal to the
hour, and the time required for a stroke is exactly equal to the time
interval between strokes. AT 6:00 the time lapse between the beginning of
the first stroke and the end of the last stroke is 22 seconds. At 12:00,
how many seconds elapse between the beginning of the first stroke and the
end of the last stroke?
(A) 72
(B) 50
(C) 48
(D) 46....answer
(E) 44
2. salesperson A's compensation for any week is $360 plus 6 percent of the
portion of A's total sales above $1000 for that week. Salesperson B's
compensation for any week is 8 percent of B's total sales for that week.
For what amount of total weekly sales would both sales people earn the
same compensation?
(A) $21000
(B) $18000
(C) $15000....answer
(D) $4500
(E) $4000
題目真是又臭又長 簡直就像在練打字 哈 勞煩各位看完幫小女子解答一下吧 感激不盡！
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