document.write( "Question 44290: Find the cost per pound of a coffee mixtur made from 7 lbs of coffee that costs $9.80 per lb and 3lbs of coffee that costa $8.10 per lb? \n" ); document.write( "
Algebra.Com's Answer #29200 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
We find the average this way
\n" ); document.write( "[7*$9.80 + 3*$8.10] / 10 =
\n" ); document.write( "(68.60 + 24.30) / 10 =
\n" ); document.write( "$92.90 / 10 =
\n" ); document.write( "$9.29 per pound
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