摸考的题:
A company produces baseball cards in equal numbers of regular packs of 16 and deluxe addition packs of 30, if on a certain day, the company produces 241 cards, what is the smallest number of additional cards the company needs to produce in order to maintain its regular production practice?
A.5 B 11 C 21 D 35 D 46 ANSWER:35
这题我反复算也算不出35, 请给讲讲,是不是我哪儿理解错了。不就是用241-16的倍数吗?
Buses leave TOWN B at 3PM and every 10 hours after that, buses leave town C at 4PM and every 15 hours after that. If the buses follow this schedules begining on Monday, what is the earliest day on which that buses leave at the same time?
A.Tuesday.B Wednesday C Thursday D Sunday E they will never meet at the same time ANSWER E