document.write( "Question 938143: How many pounds of walnuts (cost: $7.60 per pound) must be mixed with 6 pounds of cashews (cost: $12 per pound) to make a mixture of nuts that costs $9.25 per pound \n" ); document.write( "

Algebra.Com's Answer #571483 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = pounds of walnuts needed
\n" ); document.write( " $\"+7.6x+\"$ = cost of walnuts
\n" ); document.write( " $\"+12%2A6+=+72+\"$ = cost of cashews
\n" ); document.write( "------------------------------
\n" ); document.write( " $\"+%28+7.6x+%2B+72+%29+%2F+%28+x+%2B+6+%29+=+9.25+\"$
\n" ); document.write( " $\"+7.6x+%2B+72+=+9.25%2A%28+x+%2B+6+%29+\"$
\n" ); document.write( " $\"+7.6x+%2B+72+=+9.25x+%2B+55.5+\"$
\n" ); document.write( " $\"+1.65x+=+16.5+\"$
\n" ); document.write( " $\"+x+=+10+\"$
\n" ); document.write( "10 pounds of walnuts are needed
\n" ); document.write( "-------------------------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+7.6x+%2B+72+%29+%2F+%28+x+%2B+6+%29+=+9.25+\"$
\n" ); document.write( " $\"+%28+7.6%2A10+%2B+72+%29+%2F+%28+10+%2B+6+%29+=+9.25+\"$
\n" ); document.write( " $\"+148+%2F+16+=+9.25+\"$
\n" ); document.write( " $\"+148+=+148+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

\n" );