document.write( "Question 263086: Translate the problem into a pair of linear equations in two vaiables. Solve the equations using either elimination or substitution. State your answer for the specified variable.\r
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document.write( "Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 54 pounds of feed worth $0.28 per pound by mixing one kind worth $0.24 per pound with another worth $0.42 per pound. How many pounds of the cheaper kind should they use in the mix? \r
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document.write( "I just need to know what the two linear problems are, I can finish the problem from there. I just can't figure out how to get two problems from this. Thanks! \n" );
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Algebra.Com's Answer #193814 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Tim and Judy mix two kinds of feed for pedigreed dogs. \n" ); document.write( "They wish to make 54 pounds of feed worth $0.28 per pound by mixing one kind worth $0.24 per pound with another worth $0.42 per pound. \n" ); document.write( " How many pounds of the cheaper kind should they use in the mix? \n" ); document.write( ": \n" ); document.write( "Let x = amt of .24/lb required (the cheaper kind) \n" ); document.write( "Let y = amt of .42/lb required \n" ); document.write( "; \n" ); document.write( "The total pounds equation \n" ); document.write( "x + y = 54 \n" ); document.write( "which is \n" ); document.write( "y = (54-x), use this for substitution \n" ); document.write( ": \n" ); document.write( "The total cost/lb equation \n" ); document.write( ".24x + .42y = .28(54) \n" ); document.write( ".24x + .42y = 15.12 \n" ); document.write( ": \n" ); document.write( "You should be able solve this by substituting (54-x) for y in the above equation \n" ); document.write( " |