document.write( "Question 135012This question is from textbook
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document.write( ": Chapter Title: Classic Puzzles in Two Variables\r
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document.write( "A grocery store sells a mixture of peanuts and raisins for $1.75 per pound. If peanuts cost $1.25 per pound and raisins cost $2.75 per pound, what amount of raisins and peanuts go into 1 pound of the mixture?\r
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document.write( "How do I set up my two equations?\r
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document.write( "p+r=
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document.write( "125p+275r=\r
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Algebra.Com's Answer #98866 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A grocery store sells a mixture of peanuts and raisins for $1.75 per pound. If peanuts cost $1.25 per pound and raisins cost $2.75 per pound, what amount of raisins and peanuts go into 1 pound of the mixture? \n" ); document.write( "Quantity equation: p+r= 1 lb. \n" ); document.write( "Value equation: 125p+275r= 175*1 (this equation is in cents) \n" ); document.write( "-------------------------- \n" ); document.write( "p = 1-r \n" ); document.write( "125(1-r)+275r = 175 \n" ); document.write( "125-125r+275r = 175 \n" ); document.write( "150r = 50 \n" ); document.write( "r = 1/3 lb (amount of raisins in the mixture) \n" ); document.write( "p = 1-r = (2/3) lb (amount of peanuts in the mixture) \n" ); document.write( "=========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |