document.write( "Question 1009979: How many pounds at 60 per pound should be added to 100 pounds of cashew nuts at 120 per pound if the mixture is to be worth 90 per pound? \n" ); document.write( "

Algebra.Com's Answer #625478 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+x+\"$ = pounds of 60/pound nuts to be added
\n" ); document.write( " $\"+60x+\"$ = cost of $\"+x+\"$ pounds of 60/pound nuts
\n" ); document.write( "-----------------------
\n" ); document.write( " $\"+%28+60x+%2B+120%2A100+%29+%2F+%28+x+%2B+100+%29+=+90+\"$
\n" ); document.write( " $\"+60x+%2B+12000+=+90%2A%28+x+%2B+100+%29+\"$
\n" ); document.write( " $\"+60x+%2B+12000+=+90x+%2B+9000+\"$
\n" ); document.write( " $\"+30x+=+3000+\"$
\n" ); document.write( " $\"+x+=+100+\"$
\n" ); document.write( "100 pounds of 60/pound nuts should be added
\n" ); document.write( "--------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+60x+%2B+120%2A100+%29+%2F+%28+x+%2B+100+%29+=+90+\"$
\n" ); document.write( " $\"+%28+60%2A100+%2B+120%2A100+%29+%2F+%28+100+%2B+100+%29+=+90+\"$
\n" ); document.write( " $\"+%28+6000+%2B+12000+%29+%2F+200+=+90+\"$
\n" ); document.write( " $\"+18000+%2F+200+=+90+\"$
\n" ); document.write( " $\"+90+=+90+\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );