document.write( "Question 583841: How many liters of pure baking soda must be added to 200 liters of a 30% baking soda solution to get a 60% baking soda solution? \n" ); document.write( "

Algebra.Com's Answer #372632 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"x\"$ = liters of pure baking soda needed
\n" ); document.write( " $\"+.3%2A200+=+60+\"$ liters of baking soda in 30% solution
\n" ); document.write( "-----------
\n" ); document.write( " $\"+%28+60+%2B+x+%29+%2F+%28+200+%2B+x+%29+=+.6+\"$
\n" ); document.write( " $\"+60+%2B+x+=+.6%2A%28+200+%2B+x+%29+\"$
\n" ); document.write( " $\"+60+%2B+x+=+120+%2B+.6x+\"$
\n" ); document.write( " $\"+.4x+=+60+\"$
\n" ); document.write( " $\"+x+=+150+\"$
\n" ); document.write( "150 liters of pure baking soda are needed
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+60+%2B+150+%29+%2F+%28+200+%2B+150+%29+=+.6+\"$
\n" ); document.write( " $\"+210+%2F+350+=+.6+\"$
\n" ); document.write( " $\"+210+=+.6%2A350+\"$
\n" ); document.write( " $\"+210+=+210+\"$
\n" ); document.write( "OK \n" ); document.write( "

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