document.write( "Question 990522: A grocer mixes peanuts that cost $1.43 per pound and walnuts that cost $2.63 per pound to make 100 pounds of a mixture that costs $2.15 per pound. How much of each kind of nut is put into the mixture? \n" ); document.write( "

Algebra.Com's Answer #610627 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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A grocer mixes peanuts that cost $1.43 per pound and walnuts that cost $2.63 per pound to make 100 pounds of a mixture that costs $2.15 per pound.
\n" ); document.write( " How much of each kind of nut is put into the mixture?
\n" ); document.write( ":
\n" ); document.write( "let x = the amt of walnuts required
\n" ); document.write( "The total of the final mixture is to be 100 lb, therefore
\n" ); document.write( "(100-x) = amt of peanuts required
\n" ); document.write( ":
\n" ); document.write( "A typical mixture equation
\n" ); document.write( "2.63x + 1.43(100-x) = 2.15(100)
\n" ); document.write( "2.63x + 143 - 1.43x = 215
\n" ); document.write( "2.63x - 1.43x = 215 - 143
\n" ); document.write( "1.20x = 72
\n" ); document.write( "x = 72/1.2
\n" ); document.write( "x = 60 lb of walnuts
\n" ); document.write( "then
\n" ); document.write( "100 - 60 = 40 lb of peanuts
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