SOLUTION: Gabe​ Amodeo, a nuclear​ physicist, needs 30 liters of a 40​% acid solution. He currently has a 30% solution and a 60% solution. How many liters of each does he
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Question 1108141: Gabe Amodeo, a nuclear physicist, needs 30 liters of a 40% acid solution. He currently has a 30% solution and a 60% solution. How many liters of each does he need to make the needed 30 liters of 40% acid solution? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = liters of 30% sloution needed
Let = liters of 60% solution needed
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(1)
(2)
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(2)
(2)
(2)
Subtract (1) from (2)
(2)
(1)
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and
(1)
(1)
He needs 20 liters of 30% solution
and 10 liters of 60% solution
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check:
(2)
(2)
(2)
(2)
(2)
OK
