SOLUTION: Thank you in advance for your help with this problem. How many liters of 60% acid solution must be added to 14 liters of a 10% acid solution to produce a 25% acid solution?

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Question 142783This question is from textbook
: Thank you in advance for your help with this problem. How many liters of 60% acid solution must be added to 14 liters of a 10% acid solution to produce a 25% acid solution? This question is from textbook

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x=liters of 60%

x(60%)+14(10%)=(x+14)(25%) __ multiplying by 100 to clear percentages __ 60x+140=25x+350

subtracting 25x and 140 __ 35x=210 __ dividing by 35 __ x=6