document.write( "Question 737357: I don't really understand how to solve this type of problems
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document.write( "Q:In a boat 25 persons were sitting. Their average weight increased one kilogram when one man goes and a new man comes in. The weight of the new man is 70 kgs. Find the weight of the man who is going. \n" );
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Algebra.Com's Answer #450366 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! :In a boat 25 persons were sitting. \n" ); document.write( " Their average weight increased one kilogram when one man goes and a new man comes in. \n" ); document.write( " The weight of the new man is 70 kgs. Find the weight of the man who is going. \n" ); document.write( ": \n" ); document.write( "let x = average weight of the 25 people and the weight of the guy that left \n" ); document.write( ": \n" ); document.write( "1 guy is replaced by 70 kg guy \n" ); document.write( " \n" ); document.write( "24x + 70 = 25(x+1) \n" ); document.write( "24x + 70 = 25x + 25 \n" ); document.write( "70 - 25 = 25x - 24x \n" ); document.write( "45 = x \n" ); document.write( ": \n" ); document.write( "The guy that left weighed 45 kg \n" ); document.write( " |