document.write( "Question 1195566: Fred’s coffee shop makes a blend that is a mixture of two types of coffee. Type A coffee cost Fred $4.60 per pound, and type B coffee costs $5.70 per pound. This month’s blend used twice as many pounds of type B as type A, for a total cost of $640.00. How many pounds of type A coffee were used? \n" ); document.write( "

Algebra.Com's Answer #828091 by ikleyn(52786) $\"\"$ $\"About$

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\n" ); document.write( "Fred’s coffee shop makes a blend that is a mixture of two types of coffee.
\n" ); document.write( "Type A coffee cost Fred $4.60 per pound, and type B coffee costs $5.70 per pound.
\n" ); document.write( "This month’s blend used twice as many pounds of type B as type A,
\n" ); document.write( "for a total cost of $640.00. How many pounds of type A coffee were used?
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document.write( "Let  \" a \" be the pounds of the coffee type A.\r\n" );
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document.write( "Then the pounds of the coffee type B is 2a.\r\n" );
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document.write( "Write the total money equation\r\n" );
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document.write( "    4.60a + 5.70*(2a) = 640   dollars.\r\n" );
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document.write( "Simplify and find \"a\"\r\n" );
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document.write( "    (4.60 + 2*5.70)a = 640\r\n" );
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document.write( "         16a         = 640\r\n" );
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document.write( "           a         = 640/16 = 40.\r\n" );
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document.write( "ANSWER.  40 pounds of the coffee type A.\r\n" );
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document.write( "CHECK.  4.60*40 + 5.70*80 = 640.00  dollars, total.  ! Correct !\r\n" );
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\n" ); document.write( "\n" ); document.write( "The solution and the answer of the other post \" 42 $\"2%2F3\"$ pounds \" is INCORRECT.\r
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