SOLUTION: How many ounces of a 25% alcohol solution must be mixed with 18 ounces of a 30% alcohol solution to make a 26% alcohol solution ?
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Question 1070928: How many ounces of a 25% alcohol solution must be mixed with 18 ounces of a 30% alcohol solution to make a 26% alcohol solution ?
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
let x be the number of ounces of the 25% solution
:
25% solution x 0.25 0.25x
30% solution 18 0.30 5.40
mixture x+18 0.26 0.26(x+18)
:
0.25x + 5.40 = 0.26 * (x + 18)
:
0.25x + 5.40 = 0.26x + 4.68
:
0.01x = 0.72
:
x = 72
:
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72 ounces of the 25% solution need to be mixed
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