document.write( "Question 38154: A chemist has 800 grams of a dye solution that is 20% of it original strength. How much dye must be added to increase the strength to 50%? \n" ); document.write( "
Algebra.Com's Answer #23638 by Paul(988)\"\" \"About 
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800(0.2)+x=0.5(x+800)\r
\n" ); document.write( "\n" ); document.write( "160+x=0.5+400
\n" ); document.write( "0.5=240
\n" ); document.write( "x=480
\n" ); document.write( "Hence, about 480 should be added
\n" ); document.write( "PAul.
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