document.write( "Question 4860: Hello I'm having a problem with this solution.
\n" ); document.write( "Bobbie sold 35 T shirts and socks. T-shirts were sold at $9.00 and socks for $5.00. Total sales came to $287. How many of each were sold? What was the total dollar sales of each? Thank You for your help.
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Algebra.Com's Answer #2396 by Abbey(339)\"\" \"About 
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Let T = The number of T-shirts bobby sold
\n" ); document.write( "Let S = the number of socks bobby sold\r
\n" ); document.write( "\n" ); document.write( "9T = The total dollars that the T-shirts earned
\n" ); document.write( "5S = The total dollars that the socks earned\r
\n" ); document.write( "\n" ); document.write( "We know that the total sales from both came to $287, So:\r
\n" ); document.write( "\n" ); document.write( "9T+5S=287\r
\n" ); document.write( "\n" ); document.write( "And we know that he only sold a total of 35 items:
\n" ); document.write( "T+S=35\r
\n" ); document.write( "\n" ); document.write( "This can be rewritten as S=35-T, by subtracting T from both sides.\r
\n" ); document.write( "\n" ); document.write( "Then used 35-T to put into our total sales equation as a substitution for S:\r
\n" ); document.write( "\n" ); document.write( "9T+5(35-T)=287\r
\n" ); document.write( "\n" ); document.write( "Clear the parentheses:
\n" ); document.write( "9T+175-5T=287\r
\n" ); document.write( "\n" ); document.write( "Combine like terms (subtract $175 from both sides of the equation)\r
\n" ); document.write( "\n" ); document.write( "4T=112\r
\n" ); document.write( "\n" ); document.write( "Divide both sides by 4\r
\n" ); document.write( "\n" ); document.write( "T=28 \r
\n" ); document.write( "\n" ); document.write( "He sold 28 T-shirt, so he sold 7 pairs of socks (35-28=7)\r
\n" ); document.write( "\n" ); document.write( "Check your answer:\r
\n" ); document.write( "\n" ); document.write( "28*9.00=$252
\n" ); document.write( "7*5.00= $ 35\r
\n" ); document.write( "\n" ); document.write( "252+35=287, so this is correct.
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