document.write( "Question 622586: Juice-O-Rama is a refreshment stand specializing in a fruit drink mixture of orange juice and prune juice. The orange juice costs $1.20 per liter and the prune juice costs $1.40 per liter. If they need 8 liters of the final drink at a cost of $1.24 per liter, how many liters of each juice will they need to make their specialty drink?\r
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document.write( "This is the work i've done, i need help.\r
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document.write( "x=the number of liters of orange juice
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document.write( " y=the number of liters of prune juice
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document.write( " x+y=8
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document.write( "1.20x+1.40y=1.24
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document.write( "20(8-y)+1.40y=1.24
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document.write( "1.20(9.4)=1.24 \n" );
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Algebra.Com's Answer #391456 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! Note that \n" ); document.write( "the o.j. and p.j. used. \n" ); document.write( "So you need to divide this by total liters needed \n" ); document.write( "to get the cost/liter \n" ); document.write( "(1) \n" ); document.write( "and the other equation is: \n" ); document.write( "(2) \n" ); document.write( "---------------- \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "Multiply both sides of (2) by \n" ); document.write( "and subtract (2) from (1) \n" ); document.write( "(1) \n" ); document.write( "(2) \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "and, since \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "6.4 liters of OJ and 1.6 liters of PJ are needed \n" ); document.write( "------------- \n" ); document.write( "check answer: \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "OK \n" ); document.write( " |