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An exercise class had 20 people. If each person produced 2,200 BTUs of body heat during the class and the room is 30 ft * 40 ft * 15 ft, how many BTUs per cubic foot did they produce? (to the nearest hundredth) A) 0.12 BTUs/ft3 B) 1.83 BTUs/ft3 C) 2.44 BTUs/ft3 D) 36.66 BTUs/ft3

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  1. 18 May, 16:39
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    First, we need the volume of the room. We get this by multiplying the length, width, and height. This gives us 18,000 ft^3. Now, we see how many BTUs were created. We do this by multiplying 2,200 by 20. This gives us 44,000. Now, we divide 44,000 by 18,000 to get our answer, which is 2.44 BTUs/ft^3, or C.
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