helloworld121
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#1
Report Thread starter 1 year ago
#1
Fergus Castle is a tourist attraction on a small island off the coast of the mainland. A ferry service runs between the mainland and the island, and takes 40 minutes to make a single journey in either direction. There is a turnaround time of 5 minutes at the end of each single journey. Each day, ferries leave the mainland every 20 minutes, at 5, 25 and 45 minutes past each hour, starting at 09:05. Ferries leave the island at 15, 35 and 55 minutes past each hour, starting at 09:15.
What is the minimum number of boats needed?

A 3
B 4
C 5
D 6
E 7

i really don't know where to start with this, i thought it was A but the answer is apparently C.
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Moana92
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#2
Report 1 year ago
#2
I also got three and then I realised that they mean 40 minutes there and then 40 minutes back right?
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