document.write( "Question 1173877: A snack food is made by mixing 4 lb of popcorn that costs $0.80 per pound with caramel that costs $2.90 per pound. how much caramel is needed to make a mixture that costs $1.70 per pound? \n" ); document.write( "
Algebra.Com's Answer #799183 by josgarithmetic(39618)\"\" \"About 
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4 pounds at 0.8 per pound
\n" ); document.write( "plus
\n" ); document.write( "c pounds at $2.9 per pound
\n" ); document.write( "result to be
\n" ); document.write( "$1.7 per pound\r
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\n" ); document.write( "\n" ); document.write( "Amount of resulting mixture is c+4 pounds.\r
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\n" ); document.write( "\n" ); document.write( "Accounting for cost,
\n" ); document.write( "\"1.7%28c%2B4%29=0.8%2A4%2B2.9c\"
\n" ); document.write( "Simplify and solve for c.
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