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document.write( "3 bags and 4 pens together cost rs.257 whereas 4 bags and 3 pens together cost rs.324 .find the total cost of 1 bag and 10 pens. \n" );
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Algebra.Com's Answer #512154 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 3B+4P=257 MULTIPLY BY 3. \n" ); document.write( "4B+3P=324 MULTIPLY BY -4 & ADD.\r \n" ); document.write( "\n" ); document.write( "9B+12P=771 \n" ); document.write( "-16B-12P=-1296 \n" ); document.write( "-------------------------- \n" ); document.write( "-7B=-525 \n" ); document.write( "B=-525/-7 \n" ); document.write( "B=75 rs. COST OF 1 BAG. \n" ); document.write( "3*75+4P=257 \n" ); document.write( "225+4P=257 \n" ); document.write( "4P=257-225 \n" ); document.write( "4P=32 \n" ); document.write( "P=32/4 \n" ); document.write( "P=8 rs. \n" ); document.write( "1B+10P \n" ); document.write( "1*75+10*8=75+80=155 rs. ANS. \n" ); document.write( " |