Free Practice Question
PS · Problem Solving
555-605
Mixture
Dressing X consists of 40% vinegar and 60% oil, while dressing Y has 20% vinegar and 80% oil. When these two dressings are mixed to create a new dressing that is 25% vinegar, what percentage of the new dressing is made up of dressing X?
Answer Choices
Correct answer marked belowA
10%
B
20%
25%
Correct
D
30%
E
35%
See the full step-by-step explanation
You can see the correct answer above. Sign in for free to unlock the complete worked solution.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Preview
Official Explanation
Official
To solve this mixture problem, we can use the proportions of vinegar. Dressing X has 40% vinegar, dressing Y has 20% vinegar, and the mixture has 25%…
Read the full explanation
Sign in for free to see the complete step-by-step solution to this question.
Comments
2
Sign in to join the discussion
T
TafreeMay 2, 2025
cheers!
S
ShishirJan 28, 2025
thanks for taking time to upload it!
What this question tests
What it tests
Your ability to reason about weighted averages and the composition of mixtures.
Common trap
Averaging the percentages of two solutions without weighting by their volumes.
Details
Difficulty
555-605
Type
PS
Category