document.write( "Question 991554: how many gram of raisin worth php 20 per gram must be mixed with 12 grams of peanuts worth php 18 per gram produce a mixture worth php 19.25 per gram? \n" ); document.write( "

Algebra.Com's Answer #611467 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = grams of raisins needed
\n" ); document.write( "------------
\n" ); document.write( " $\"+%28+20x+%2B+12%2A18+%29+%2F+%28+x+%2B+12+%29+=+19.25+\"$
\n" ); document.write( " $\"+20x+%2B+216+=+19.25%2A%28+x+%2B+12+%29+\"$
\n" ); document.write( " $\"+20x+%2B+216+=+19.25x+%2B+231+\"$
\n" ); document.write( " $\"+.75x+=+15+\"$
\n" ); document.write( " $\"+x+=+15%2F.75+\"$
\n" ); document.write( " $\"+x+=+20+\"$
\n" ); document.write( "20 grams of raisins are needed
\n" ); document.write( "------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+20%2A20+%2B+12%2A18+%29+%2F+%28+20+%2B+12+%29+=+19.25+\"$
\n" ); document.write( " $\"+%28+400+%2B+216+%29+%2F+32+=+19.25+\"$
\n" ); document.write( " $\"+616%2F32+=+19.25+\"$
\n" ); document.write( " $\"+616+=+616+\"$
\n" ); document.write( "OK \n" ); document.write( "

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