document.write( "Question 717777: A room is 15 feet by 12 feet by 9 feet high , it contains an air conditioner that circulates air at rate of (11) cubic meters per hour .\r
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document.write( "how long does it takes to exchange the air in the room 10 times ,giving your answer to the nearest minute?
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document.write( "thank you i need urgent help please?\r
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Algebra.Com's Answer #449834 by fireychariot(1)![]() ![]() ![]() You can put this solution on YOUR website! Alan's method is right however just to point out 15*12*9 is not 1260 but 1620. \n" ); document.write( " |