A family of 17 are trying to get back to their island for Christmas when disaster strikes – their ship hits a rock and will sink in 20 minutes! They have a rescue boat that fits 5 people and can get to the island and back with it in 9 minutes. How many people are able to reach the island without getting wet before the ship sinks?
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9 people will get wet as 1 wid return wid the boat driving it....
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15 peoples are able to reach the island. Because the boat is able to come in every 9 minute and it go 3 times so, save 3 x 5 = 15 peoples.
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