document.write( "Question 143396This question is from textbook Mathematical Ideas
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document.write( ": I am stuck on this linear equation story problem. I was hoping someone could please help me with the formula that I need.\r
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document.write( "The Candy Shop wants to create 50 pounds of a holiday mix that will sell for $3.91 per pound. How many pounds of a candy selling for $2.59 per pound should be combined with candy selling for $6.99 per pound to create the desired mix? \r
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document.write( "Set up a system of equations to describe this situation. Solve the system of equations to find the solution.\r
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document.write( "This isn't from a book, it is from a problem in one of my online classes. Thanks so much ~Lyn \n" );
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Algebra.Com's Answer #104354 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! he Candy Shop wants to create 50 pounds of a holiday mix that will sell for $3.91 per pound. How many pounds of a candy selling for $2.59 per pound should be combined with candy selling for $6.99 per pound to create the desired mix? \n" ); document.write( "Set up a system of equations to describe this situation. Solve the system of equations to find the solution. \n" ); document.write( ": \n" ); document.write( "Let x = amt of 2.59 candy required (to make a 50 lb mixture) \n" ); document.write( "Let y = amt of 6.99 candy required \n" ); document.write( ": \n" ); document.write( "Total lb amt equation: \n" ); document.write( "x + y = 50 \n" ); document.write( "y = (50-x); use this for substitution \n" ); document.write( ": \n" ); document.write( "The $ value equation: \n" ); document.write( "2.59x + 6.99y = 3.91(50) \n" ); document.write( ": \n" ); document.write( "2.59x + 6.99y = 195.50 \n" ); document.write( ": \n" ); document.write( "Substitute (50-x) for y in the above equation, find x: \n" ); document.write( "2.59x + 6.99(50-x) = 195.50 \n" ); document.write( ": \n" ); document.write( "2.59x + 349.50 - 6.99x = 195.50 \n" ); document.write( ": \n" ); document.write( "2.59x - 6.99x = 195.50 - 349.50 \n" ); document.write( "; \n" ); document.write( "-4.40x = -154 \n" ); document.write( "x = \n" ); document.write( "x = +35 lb of $2.59 candy \n" ); document.write( ": \n" ); document.write( "Then y = 50 - 35 = 15 lb of $6.99 candy \n" ); document.write( "; \n" ); document.write( ": \n" ); document.write( "Check solutions in the $$ equation: \n" ); document.write( "2.59(35) + 6.99(15) = 195.50 \n" ); document.write( "90.65 + 104.85 = 195.50 \n" ); document.write( " |