document.write( "Question 853445: dave wants to purchase 25 pounds of party mix for a total of $37. to obtain the mixture, he will mix nuts that cost $3 per pound with pretzels that cost $1 per pound. how many pounds of each type and mix should he use?
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Algebra.Com's Answer #514099 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! This is also a mixture problem.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Account for cost and account for pounds of foods.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "COST: n for nuts, p for pretzels, \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "POUNDS: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Obviously more easily viewed as a linear system problem. Two equations in the two unknowns p and n. Elimination Method here can be done mentally, at least for finding n. \n" ); document.write( "- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "- \n" ); document.write( "More formally, coefficients on p in both equations are 1. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |