document.write( "Question 552163: Please help me solve this mixture problem: \r
\n" ); document.write( "\n" ); document.write( "How many pounds of gourmet candy selling for $2.80 per pound should be mixed with 7 pounds of gourmet candy selling for $1.60 per pound to obtain a mixture selling for $1.96 per pound?\r
\n" ); document.write( "\n" ); document.write( "A. 4 lb
\n" ); document.write( "B. 3 lb
\n" ); document.write( "C. 1 lb
\n" ); document.write( "D. 5 lb\r
\n" ); document.write( "\n" ); document.write( "I can solve it by trial and error, but is their a formula that will work? \n" ); document.write( "

Algebra.Com's Answer #360161 by AnlytcPhil(1806) $\"\"$ $\"About$

You can put this solution on YOUR website!
How many pounds of gourmet candy selling for $2.80 per pound should be mixed with 7 pounds of gourmet candy selling for $1.60 per pound to obtain a mixture selling for $1.96 per pound?
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document.write( " +  = \r\n" );
document.write( "     ↓      ↓       ↓      ↓       ↓ \r\n" );
document.write( "     ↓      ↓       ↓      ↓       ↓\r\n" );
document.write( "  $2.80x    +    $11.20    =   $1.96(x+7)\r\n" );
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document.write( "Drop the dollar marks and move the decimals two places right\r\n" );
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document.write( "               280x + 1120 = 196(x+7)\r\n" );
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document.write( "               280x + 1120 = 196x + 1372\r\n" );
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document.write( "Subtract 1120 from both sides:\r\n" );
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document.write( "                      280x = 196x + 252\r\n" );
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document.write( "Subtract 196x from both sides:\r\n" );
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document.write( "                       84x = 252\r\n" );
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document.write( "Divide both sides by 84\r\n" );
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document.write( "                       = \r\n" );
document.write( "                          \r\n" );
document.write( "                        x = 3\r\n" );
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document.write( "Answer 3 pounds.\r\n" );
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document.write( "Edwin

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