document.write( "Question 1207199: tumi is selling two types of umbrellas.he sells type c at R45 a pair he sells type d at R30 .if he sold 16 pairs in total and had a totl income of R585,how many pairs of sock c did h did Sal sell?
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Algebra.Com's Answer #844936 by ikleyn(52794) $\"\"$ $\"About$

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\n" ); document.write( "tumi is selling two types of umbrellas.he sells type c at R45 a pair he sells type d at R30 .
\n" ); document.write( "if he sold 16 pairs in total and had a totl income of R585,how many pairs of sock c did h did Sal sell?
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document.write( "Solve using one unknown and one equation.\r\n" );
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document.write( "Let x be the number of items of type \"c\".\r\n" );
document.write( "Then the number of items of type \"d\" is 16-x.\r\n" );
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document.write( "Write the total money equation\r\n" );
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document.write( "    45x + 30*(16-x) = 585  dollars  (revenue).\r\n" );
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document.write( "Divide both sides by 15\r\n" );
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document.write( "    3x + 2(16-x) = 39.\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    3x + 32 - 2x = 39\r\n" );
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document.write( "    3x - 2x = 39 - 32\r\n" );
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document.write( "       x    =    7.\r\n" );
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document.write( "ANSWER.  7 items of type \"c\".\r\n" );
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\n" ); document.write( "\n" ); document.write( "To see many other similar problems solved, look into the lesson\r
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