document.write( "Question 904647: Hello,\r
\n" ); document.write( "\n" ); document.write( "I am having trouble with the following problem:\r
\n" ); document.write( "\n" ); document.write( "The manager of a bulk foods establishment sells a trail mix for $8 per
\n" ); document.write( "pound and premium cashews for $15 per pound. The manager wishes to
\n" ); document.write( "make a 35-pound trail mix-cashew mixture that will sell for $14 per
\n" ); document.write( "pound. How many pounds of each should be used?
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Algebra.Com's Answer #548839 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
a+b=35,
\n" ); document.write( "15*a+8*b=14*35
\n" ); document.write( "a=35-b
\n" ); document.write( "15*(35-b)+8*b=490
\n" ); document.write( "525-15b+8*b=490
\n" ); document.write( "-7*b=-35
\n" ); document.write( "b=5
\n" ); document.write( "a=35-b
\n" ); document.write( "a= 30 lb at $15.00 b= 5 lb at $8.00
\n" ); document.write( "check
\n" ); document.write( "15*30+8*5=14*35
\n" ); document.write( "450+40=490
\n" ); document.write( "490=490
\n" ); document.write( "ok
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