document.write( "Question 434266: Four pencils and five pens cost $2.00.three pencils and four pens cost $1.58.find the cost of a pencil an the cost of a pen. \n" ); document.write( "
Algebra.Com's Answer #317248 by jorel1380(3719)\"\" \"About 
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4m+5n=2.00
\n" ); document.write( "3m+4n=1.58
\n" ); document.write( "12m+15n=6.00
\n" ); document.write( "12m+16n=6.32
\n" ); document.write( "n=.32
\n" ); document.write( "m=.10
\n" ); document.write( "Pencils cost 10 cents; pens cost 32 cents..
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