document.write( "Question 1012599: A customer at a hardware store bought nails that cost a penny each, hooks that cost a dime each, and electrical tape that cost a half-dollar a roll. If the customer spent exactly $5.00 (before tax was added) and purchased 100 items, how many of each item did she buy?
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Algebra.Com's Answer #628624 by Boreal(15235)\"\" \"About 
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.01x+.10y+.50 z=5.00
\n" ); document.write( "x+y+z=100
\n" ); document.write( "x has to be a multiple of 10
\n" ); document.write( "y is less than 47
\n" ); document.write( "z is less than or equal to 9
\n" ); document.write( "x+10y+50z=500
\n" ); document.write( "If z=9, y and x can't add to 100 and equal 0.50
\n" ); document.write( "z=8,
\n" ); document.write( "x+y=92
\n" ); document.write( "x+10y=100
\n" ); document.write( "-x-y=-92
\n" ); document.write( "9y=8, non-integer.
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\n" ); document.write( "z=1
\n" ); document.write( "x+y=99
\n" ); document.write( "x+10y=450
\n" ); document.write( "-x-y=-99
\n" ); document.write( "9y=351
\n" ); document.write( "y=39=$3.90
\n" ); document.write( "x=60=$0.60
\n" ); document.write( "z=1=0.50
\n" ); document.write( "$5.00\r
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