document.write( "Question 664565: a student mixes 5 lb of h2o at 200 degrees F with 7 lb of h2o at 65 degrees F. what is the final temperature of the mixture? \n" ); document.write( "
Algebra.Com's Answer #413363 by Theo(13342)\"\" \"About 
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i'm assuming that the resulting temperature would be a weighted average of the temperature of each.\r
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\n" ); document.write( "\n" ); document.write( "this means that the average temperature would be (5*200 + 7*65) / 12 which would result in an average temperature of 121.25 degrees.\r
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\n" ); document.write( "\n" ); document.write( "i can't think of any other reasonable way of computing it, unless there's some special formula that needs to be used.\r
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\n" ); document.write( "\n" ); document.write( "since you didn't give any, i'm assuming this is a straight calculation based on relative weights or volumes.\r
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