document.write( "Question 850450: \r
\n" ); document.write( "\n" ); 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.
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Algebra.Com's Answer #512154 by checkley79(3341)\"\" \"About 
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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.
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