SOLUTION: How many liters of a 9% solution of salt should be added to a 19% solution in order to obtain 420 liters of a 15 % solution
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Question 785363: How many liters of a 9% solution of salt should be added to a 19% solution in order to obtain 420 liters of a 15 % solution
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
One of the very most common mixture exercise problems. Just another example of the same general exercise.
L=9%
T=15%
H=19%
M=420 liters
u=UNKNOWN amount liters of the 9%
v=UNKNOWN amount of liters of 19%
SYSTEM OF EQUATIONS TO SOLVE:
and
Solve for u and v.
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