# SOLUTION: 5. Dr. Wong orders 20 grams of a 52% solution of a certain medicine. However, the pharmacist only has bottles of 40% and 70% solution. How much of each should the pharmacist mi

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 Question 47644: 5. Dr. Wong orders 20 grams of a 52% solution of a certain medicine. However, the pharmacist only has bottles of 40% and 70% solution. How much of each should the pharmacist mix to Mr. Wong's satisfaction?Answer by venugopalramana(3286)   (Show Source): You can put this solution on YOUR website!5. Dr. Wong orders 20 grams of a 52% solution of a certain medicine. However, the pharmacist only has bottles of 40% and 70% solution. How much of each should the pharmacist mix to Mr. Wong's satisfaction? LET X GMS OF 40% SOLUTION BE MIXED WITH 20-X GMS OF 70% SOLUTION. MEDICINE CONTENT IN MIX = X*40/100 + (20-X)*70/100=20*52/100 0.4X+14-0.7X=10.4 0.7X-0.4X=14-10.4=3.6 0.3X=3.6 X=3.6/0.3=12 GMS OF 40% SOLUTION AND 20-12=8 GMS OF 70% SOLUTION ARE TO BE MIXED TO GET 20 GMS. OF 52% SOLUTION.