document.write( "Question 130896This question is from textbook ALGEBRA FOR COLLEGE STUDENTS MARK DUGOPOLSKI
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document.write( ": HELP! Ana, Bob, and Chris will not disclose their weights but agree to be weighed in pairs Anna and Bob together weigh 226 pounds. Bob and Chris together weigh 210 pounds. Anna and Chris together weigh 200 pounds. How much does each student weigh? \n" );
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Algebra.Com's Answer #95735 by fners(16)![]() ![]() ![]() You can put this solution on YOUR website! eq1:A+B=226 \n" ); document.write( "eq2:B+C=210 \n" ); document.write( "eq3:A+C=200 \n" ); document.write( " \n" ); document.write( "eq3:A=200-C \n" ); document.write( " \n" ); document.write( "Plug eq3 into eq1. \n" ); document.write( "eq1:(200-C)+B=226 \n" ); document.write( "eq2:B+C=210 \n" ); document.write( " \n" ); document.write( "eq1:B=226-(200-C)=26+C \n" ); document.write( " \n" ); document.write( "Plug eq1 into eq2. \n" ); document.write( "eq2:(26+C)+C=210 \n" ); document.write( "26+2C=210 \n" ); document.write( "2C=210-26=184 \n" ); document.write( "C=184/2=92 \n" ); document.write( "should be easy from here. \n" ); document.write( " |