document.write( "Question 179076: A grocer combines coffee that costs $8.00 per pound with coffee that costs $3.00 per pound. how many pounds of each should be used to make 80 lbs of a blend that costs $5.00 per pound? i am suppose to have an equation for this also
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Algebra.Com's Answer #134021 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
let x and y be the amount of $8 per pound coffee and $3 per pound coffee respectively
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\n" ); document.write( "x+y=80...........eq 1
\n" ); document.write( "8x+3y=5(80)......eq 2
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\n" ); document.write( "rewrite eq 1 to x=80-y and plug it into eq 2
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\n" ); document.write( "8(80-y)+3y=400
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\n" ); document.write( "640-8y+3y=400
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\n" ); document.write( "-5y=-240
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\n" ); document.write( "\"highlight%28y=48%29\"pounds of $3 blend
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\n" ); document.write( "\"highlight%28x=80-48=32%29\"pounds of the $8 blend
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