SOLUTION: a juice drink manufacturer has found mixing pineapple juice concentrate and fresh squeezing orange juice is the most cost effective way to produce its breakfast beverage. the pinea

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Question 516712: a juice drink manufacturer has found mixing pineapple juice concentrate and fresh squeezing orange juice is the most cost effective way to produce its breakfast beverage. the pineapple juice comes in two concentrated forms, 17% and 30% pineapple juice, which must be combines into a solution that can be mixed with the orange juice. if 50 gallons of 17% juice is used, how many gallons of the 30% juice must be used to obtain 20% pineapple solution
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
--------percent ---------------- quantity
Juice I 17 ---------------- 15 gallons
juice II 30 ---------------- x gallons
Mixture 20 ---------------- 15 + x gallons

17 * 15 + 30 x = 20 ( 15 + x )
255 + 30 x = 300 + 20 x
30 x + -20 x = 300 - -255
10 x = 45
/ 10
x = 4.5
4.5 gallons of 30 % juice II
m.ananth@hotmail.ca