document.write( "Question 244990: Sandy’s Sweatshirt Shop sells college sweatshirts. White sweatshirts sell for $18.95 each and red ones sell for $19.50 each. If receipts for the sale of 30 sweatshirts total $572.90, how many of each color did the shop sell? Complete the following table, letting the number of white sweatshirts and the number of red sweatshirts. \n" ); document.write( "
Algebra.Com's Answer #179104 by richwmiller(17219)\"\" \"About 
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Of course, since there is no table included we can't complete it.
\n" ); document.write( "let w=white sweatshirts and r=red sweatshirts
\n" ); document.write( "30 sweatshirts were sold
\n" ); document.write( "r+s=30
\n" ); document.write( "s1895+r1950=57290
\n" ); document.write( "r=30-s
\n" ); document.write( "substitute 30-s for r
\n" ); document.write( "s*1895+(30-s)*1950=57290
\n" ); document.write( "s*1895+30*1950-s1950=57290
\n" ); document.write( "s*1895-s1950=57290-30*1950\r
\n" ); document.write( "\n" ); document.write( "Dig out the calculator.
\n" ); document.write( "30*1950=\r
\n" ); document.write( "\n" ); document.write( "57290-30*1950=\r
\n" ); document.write( "\n" ); document.write( "s1895-s1950=\r
\n" ); document.write( "\n" ); document.write( "Don't worry about the minus signs on both sides.
\n" ); document.write( "they go away by dividing
\n" ); document.write( "minus divided by minus= +\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
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