document.write( "Question 332406: the roses cost $15 per dozen and the carnations cost $8 per dozen. shereda bought a total of 17 dozen flowers and paid a total of $192. how many roses did she buy? \n" ); document.write( "
Algebra.Com's Answer #238228 by Alan3354(69443)\"\" \"About 
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17 doz * $8 = $136.
\n" ); document.write( "For each $8 dozen replaced by a $15 dozen, the total price increases $7.
\n" ); document.write( "192 - 136 = 56
\n" ); document.write( "56/7 = 8
\n" ); document.write( "--> 9 of the $8, and 8 of the $15
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