The Harlow Maritime Museum has announced that, from September, entry will be by timed ticket only. Until now visitors could arrive whenever they liked, and on summer weekends queues of up to ninety minutes were not unusual. Under the new scheme, 120 visitors will be admitted at the start of each half-hour slot, the first at 10:00 and the last at 16:00. The director, Helen Marsh, says the change will end the queues and make the galleries “bearable” at peak times, when the building has at times held more than two thousand people. Her critics reply that the museum is solving a problem of its own making: it has no ticket desk for walk-up visitors, and tickets can be bought only online, which, they argue, will disadvantage elderly residents who make up a large share of its regular audience. Ms Marsh has promised that a quarter of the places in each slot will be held back for people who book by telephone, and that the arrangement will be reviewed after six months.
Suppose that after the review the museum raises the number admitted per slot to 200 but still holds back a quarter of the places for telephone bookers. How many places per day will then be open to online buyers?
Дұрыс жауабы мен түсіндірмесі
Жауабы: 1950
Слоттар: 10:00-нан 16:00-ге дейін әр жарты сағат сайын – 13. Онлайнға ¾·200 = 150 орын, 13·150 = 1950. 12 слот алсақ 1800, резервсіз 2600.
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