A hunting lodge has enough fuel to keep 20 rooms heated for fourteen days. if the lodge decides to save fuel by turning off the heat in 5 unoccupied rooms, and each room requires the same amount of fuel to heat it, how many extra full days will the fuel supply last?
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20 rooms = 14 days (Given)
Find the number of days the fuel can sustain if there is only 1 room:
1 room = 14 x 20 = 280 days
Find the number of rooms excluding the 5 unoccupied rooms:
20 - 5 = 15 rooms
Find the number of days the fuel can sustain if there are 15 rooms:
1 room = 280 days
15 rooms = 280 ÷ 15 = 18.67 days = 18 full days
Find the number of extra full days:
18 - 14 = 4
Answer: The fuel supply can last for an extra 4 days.
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