SOLUTION: Anne has two solutions, one with 6% iron and one with 2% iron. How many liters of each solution should be mixed to create 16 liters of a solution with 3% iron content?

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Question 131528This question is from textbook
: Anne has two solutions, one with 6% iron and one with 2% iron. How many liters of each solution should be mixed to create 16 liters of a solution with 3% iron content? This question is from textbook

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
.06X+.02(16-X)=.03*16
.06+.32-.02X=.48
.04X=.48-.32
.04X=.16
X=.16/.04
X=4 LITERS OF 6% IRON IS USED.
16-4=12 LITERS OF 2% IRON IS USED.
PROOF.
.06*4+.02*12=.03*16
.24+.24=.48
.48=48