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Mathematics, 16.12.2020 16:50 greenbyron88

Lucy lives in Lowtown. On Saturday she will visit her friend Martha who lives in Midtown, and she will arrive in time for lunch at 12:30
Her journey will consist of a 10-minute walk to Lowtown station, then a train ride to Midtown
station and finally a bus ride to Martha's house.
Trains leave Lowtown at 06:45 and then every 30 minutes until 21:15, taking 1 hour 20 minutes to
reach Midtown
Buses leave Midtown at 08:00 and then every 20 minutes until 21:00, arriving at Martha's house
12 minutes later
What is the latest time that Lucy can leave home so that she arrives at Martha's house in time for
lunch?

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