Problema Solution
The pharmacist decided to combine a mixture containing 50% sorghum with a mixture containing 75% sorghum to create a 10 oz mixture containing 60% sorghum. How many ounces of the 50% mixture should the pharmacist use?
Answer provided by our tutors
Let
x = oz of the 50% mixture
y = oz of the 75% mixture
x + y = 10
0.50x + 0.75y = 0.60*10
........
click here to see the system of equations solved for x and y
........
x = 6 oz
y = 4 oz
6 oz of the 50% mixture should be used.