SOLUTION: Automotive maintenace. "Arctic antifreeze" is 18% alcohol and "Frost-No more" is 1% alcohol. how many liters of arctic antifreeze should be mixed with 7.5L of Frost -no more in ord

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Question 309292: Automotive maintenace. "Arctic antifreeze" is 18% alcohol and "Frost-No more" is 1% alcohol. how many liters of arctic antifreeze should be mixed with 7.5L of Frost -no more in order to get a mixture that is 15% alcohol?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
first mixture + second mixture = total mixture
Let x = how many liters of arctic antifreeze
x(0.18) + 0.01(7.5) = 0.15(x + 0.01)
Can you finish?