document.write( "Question 805620: How much of 1% hydrocortisone cream must be added to 30g of 2.5% hydrocortisone cream and 75g of 4.5% hydrocortisone cream to make 1.5% hydrocortisone cream?\r
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Algebra.Com's Answer #485363 by richwmiller(17219) $\"\"$ $\"About$

You can put this solution on YOUR website!
.045*75+.025*30+.01z=.015(30+75+z)
\n" ); document.write( "The answer is exactly 510g not 510.3g\r
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