SOLUTION: A solution is made by mixing an x amount of concentrate with water. Approximately how many liters(x) of this concentrate should be mixed with 5 liters of water so that 32 percent
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Question 1042829: A solution is made by mixing an x amount of concentrate with water. Approximately how many liters(x) of this concentrate should be mixed with 5 liters of water so that 32 percent of the solution is concentrate?
A) 0.68
B) 1.6
C) 2.28
D) 2.35
Found 2 solutions by stanbon, josmiceli:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A solution is made by mixing an x amount of concentrate with water. Approximately how many liters(x) of this concentrate should be mixed with 5 liters of water so that 32 percent of the solution is concentrate?
A) 0.68
B) 1.6
C) 2.28
D) 2.35
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concentrate + concentrate = concentrate
x + 0*5 = 0.32(x + 5)
--------
100x + 0 = 32*x + 32*5
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68x = 160
x = 160/68 = 2.35 liters (amt of concentrate to start with)
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Cheers,
Stan H.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Answer is (D)
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Check:
OK ( error due to rounding off )
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