Question
A trader mixes three types of fruit juices. Juice A
costs $10 per liter, Juice B costs $15 per liter, and Juice C costs $20 per liter. The mixture is sold at $18 per liter. The ratio of the juices in the mixture is 4:3:2. What is the total profit percentage?Solution
Let the total weight of the mixture = 9x Total Cost Price of Each Juice: Cost of Juice A = 4x liters × $10 = $40x Cost of Juice B = 3x liters × $15 = $45x Cost of Juice C = 2x liters × $20 = $40x Total cost price = $40x + $45x + $40x = $125x Total selling price = 18×9x = 162x 
= 29.6%
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