Engineering Board Exam Reviewer · Mixture Problems · easy
Three gallons of 20% salt solution is mixed with 6 gallons of 50% salt solution. Determine the percentage of salt solution in the new mixture.
- 25%
- 40%
- 35%
- 30%
Answer
B. 40%
Solution
Total salt = 3(0.20)+6(0.50) = 3.6. Total volume = 9. Percentage = 3.6/9 = 40%.
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