Question

A dermatolgist orders hydocortosone 2%. Your pharmacy has 45 g of hydrocoritsone 1% and 45 g of hydrocortisone 2.5%. How many grams of the hydrocortisone 1% would you add to the 45 g of hydrocortisone 2.5% to prepare hydrocortisone 2%?

Answer 1

Solution 45g 2.5 7 Aydho coxt'sone. I'Tid to be mixed Let X= eyrams uith 4S o 2.57 ydno certisens 45+ at So final 29 amount reame concentration 45+x) Y 2. (45+2) 0,02 0. o 125 Oi O1 12 5 O.G0 02x 0 225 22 5 Ans

Answer 2

1% 2.5% \ / \ / 2% / \ 0.5 1 0.5 part of 1% And 1 part of 2.5% should be added. For 45 grams of final product.. .05 × 45 = 22.5 gm 1×45 = 45 gm