document.write( "Question 627029: a pharmacist wishes to mix a solution that is 2% Minoxidil. She has on hand 80 ml of a 1% solution and wishes to add some 4% solution to obtain the desired 2% solution. How much solution should she add? \n" ); document.write( "
Algebra.Com's Answer #394597 by nerdybill(7384)\"\" \"About 
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a pharmacist wishes to mix a solution that is 2% Minoxidil. She has on hand 80 ml of a 1% solution and wishes to add some 4% solution to obtain the desired 2% solution. How much solution should she add?
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\n" ); document.write( "Let x = amount (ml) of 4% solution to add
\n" ); document.write( "then
\n" ); document.write( ".01(80) + .04x = .02(x+80)
\n" ); document.write( ".8 + .04x = .02x+1.6
\n" ); document.write( ".8 + .02x = 1.6
\n" ); document.write( ".02x = .8
\n" ); document.write( "x = 40 ml \r
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