Question 1189847
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Four survivors in a lifeboat have enough water for 12 days. 
Calculate how long the water would have lasted if there had been six people on the the lifeboat.
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They have now  4*12 = 48  portions of water on board.


For 6 people, it is enough precisely for  48/6 = 8 days.    <U>ANSWER</U>
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Solved.