document.write( "Question 808184: A doctor wants to use three lots of ichthammol containing 50%, 20% and 5% ichthammol respectively. In what proportion should they be mixed to prepare a 10% ichthammol ointment?\r
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Algebra.Com's Answer #486821 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! .5a+.2b+.05c=.1(a+b+c) \n" ); document.write( "c = 8a+2b \n" ); document.write( " \n" ); document.write( " |