document.write( "Question 133374: a birdseed mix that costs $2.45 per poud is mixed with a birdseed mix that costs $2.30 per pound. How much of each type of birdseed mix must be used to have 30 pounds of a birdseed mix that costs $2.35 per pound?
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document.write( "Algebra 1, systems of linear equations \n" );
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Algebra.Com's Answer #97570 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a birdseed mix that costs $2.45 per pound is mixed with a birdseed mix that costs $2.30 per pound. How much of each type of birdseed mix must be used to have 30 pounds of a birdseed mix that costs $2.35 per pound? \n" ); document.write( "----------------------------------------- \n" ); document.write( "$2.45 seed DATA: \n" ); document.write( "Amt. = x lbs. ; Value = 2.45x dollars \n" ); document.write( "------------------------ \n" ); document.write( "$2.30 seed DATA: \n" ); document.write( "Amt = 30-x lbs ; Value = 2.3(30-x) = 69-2.3x dollars \n" ); document.write( "----------------------------- \n" ); document.write( "Mixture DATA: \n" ); document.write( "Amt. = 30 lbs. Value = 2.35*30 = 70.5 dollars \n" ); document.write( "---------------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "value + value = value \n" ); document.write( "2.45x + 69-2.3x = 70.5 \n" ); document.write( "0.15x = 1.5 \n" ); document.write( "x = 10 lbs (Amount of $2.45 seed in the mixture) \n" ); document.write( "30-x = 20 lbs (Amount of $2.30 seed in the mixture) \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |