document.write( "Question 732757: Hello I'm really confused on my homework problem, it's: For a wedding, Shereda bought several dozen roses and several dozen carnations. 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?
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Algebra.Com's Answer #448031 by josmiceli(19441) $\"\"$ $\"About$

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\n" ); document.write( "The problem only talks about dozens of
\n" ); document.write( "flowers, so that is the unit to use
\n" ); document.write( "Let $\"+x+\"$ = dozens of roses she bought
\n" ); document.write( " $\"+17+-+x+\"$ = dozens of carnations she bought
\n" ); document.write( "given:
\n" ); document.write( " $\"+15x+%2B+8%2A%28+17+-+x+%29+=+192+\"$
\n" ); document.write( " $\"+15x+%2B+136+-+8x+=+192+\"$
\n" ); document.write( " $\"+7x+=+56+\"$
\n" ); document.write( " $\"+x+=+8+\"$
\n" ); document.write( "She bought 8 dozen roses
\n" ); document.write( "check:
\n" ); document.write( " $\"+15%2A8+%2B+8%2A%28+17+-+8+%29+=+192+\"$
\n" ); document.write( " $\"+120+%2B+8%2A9+=+192+\"$
\n" ); document.write( " $\"+120+%2B+72+=+192+\"$
\n" ); document.write( " $\"+192+=+192+\"$
\n" ); document.write( "OK\r
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