document.write( "Question 151377: A merchant sold his entire stock of shirts and ties for $1000, the shirts being priced at 3 for $10 and the ties at $2 each. If he had sold only 1/2 of the shirts and 2/3 of the ties he would have collected $600. How many of each kind did he sell? \n" ); document.write( "
Algebra.Com's Answer #111284 by ankor@dixie-net.com(22740)\"\" \"About 
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A merchant sold his entire stock of shirts and ties for $1000, the shirts being priced at 3 for $10 and the ties at $2 each. If he had sold only 1/2 of the shirts and 2/3 of the ties he would have collected $600. How many of each kind did he sell?
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\n" ); document.write( "Let x = no. of shirts sold
\n" ); document.write( "let y = no. of ties
\n" ); document.write( ":
\n" ); document.write( "\"A merchant sold his entire stock of shirts and ties for $1000, the shirts being priced at 3 for $10 and the ties at $2 each\"
\n" ); document.write( "10(\"x%2F3\") + 2y = 1000
\n" ); document.write( "\"%2810x%29%2F3\" + 2y = 1000
\n" ); document.write( "multiply equation by 3 to get rid of the denominator
\n" ); document.write( "10x + 6y = 3000; (1st equation)
\n" ); document.write( ":
\n" ); document.write( "\"If he had sold only 1/2 of the shirts and 2/3 of the ties he would have collected $600. How many of each kind did he sell?\"
\n" ); document.write( "\"1%2F2\"*\"%2810x%29%2F3\" + \"2%2F3\"*2y = 600
\n" ); document.write( "\"%2810x%29%2F6\" + \"%284y%29%2F3\" = 600
\n" ); document.write( "Reduce fraction
\n" ); document.write( "\"%285x%29%2F3\" + \"%284y%29%2F3\" = 600
\n" ); document.write( "Multiply equation by 3 to get rid of the denominator
\n" ); document.write( "5x + 4y = 1800
\n" ); document.write( ":
\n" ); document.write( "multiply above equation by 2 and subtract the 1st equation:
\n" ); document.write( "10x + 8y = 3600
\n" ); document.write( "10x + 6y = 3000
\n" ); document.write( "-----------------subtraction eliminates x
\n" ); document.write( "0x + 2y = 600
\n" ); document.write( "y = 300 ties sold
\n" ); document.write( ":
\n" ); document.write( "Find x, use eq: 10x + 6y = 3000
\n" ); document.write( "10x + 6(300) = 3000
\n" ); document.write( "10x + 1800 = 3000
\n" ); document.write( "10x = 3000 - 1800
\n" ); document.write( "10x = 3000 - 1800
\n" ); document.write( "10x = 1200
\n" ); document.write( "x = \"1200%2F10\"
\n" ); document.write( "x = 120 shirts sold
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check solution in
\n" ); document.write( "5x + 4y = 1800
\n" ); document.write( "5(120) + 4(300) =
\n" ); document.write( "600 + 1200 = 1800
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