document.write( "Question 906125: Elsa's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Elsa $5.90 per pound,
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document.write( "and type B coffee costs $4.30 per pound.
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document.write( "This month's blend used four times as many pounds of type B coffee as type A, for a total cost of $554.40
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document.write( " . How many pounds of type A coffee were used?
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Algebra.Com's Answer #549643 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Elsa's Coffee Shop makes a blend that is a mixture of two types of coffee. \n" ); document.write( "Type A coffee costs Elsa $5.90 per pound, \n" ); document.write( "and type B coffee costs $4.30 per pound. \n" ); document.write( "This month's blend used four times as many pounds of type B coffee as type A, for a total cost of $554.40 \n" ); document.write( " . How many pounds of type A coffee were use \n" ); document.write( "------------------------- \n" ); document.write( "Quantity Equatiion:: B = A + 4 \n" ); document.write( "Value Equation:: 5.9A + 4.3B = 554.4 \n" ); document.write( "-------- \n" ); document.write( "Substitute for \"B\" and solve for \"A:: \n" ); document.write( "5.9A + 4.3(A+4) = 554.4 \n" ); document.write( "------ \n" ); document.write( "10.2A + 17.2 = 554.4 \n" ); document.write( "10.2A = 537.2 \n" ); document.write( "A = 52 2/3 pounds (amt. of Type A coffee used) \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " \n" ); document.write( " |