Free Practice Question
PS · Problem Solving
sub-505
Mixture
Maria is preparing to bake muffins, but she has only 3 eggs while the recipe requires 5. The recipe specifies 5 cups of flour, 2 cups of sugar, and 1/3 cup of butter. How much butter should she use?
Answer Choices
Correct answer marked belowA
1/6
1/5
Correct
C
1/4
D
1/3
E
2/5
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Explanation
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Official Explanation
Official
For 5 eggs, she needs 1/3 cup of butter.
For 3 eggs, she will require 1/5 cup of butter: 1/3 * 3/5 = 1/5
For 3 eggs, she will require 1/5 cup of butter: 1/3 * 3/5 = 1/5
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Comments
2
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T
ThưOct 21, 2024
Can someone explain it other way?
S
ShantanuMay 19, 2024
Thank you very much!
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
sub-505
Type
PS
Category