Free Practice Question
PS · Problem Solving
sub-505
Mixture
A club is planning to combine 30 pounds of candy priced at $9.00 per pound with another type of candy that costs $4.00 per pound in order to achieve an overall cost of $7.00 per pound for the mixture. How many pounds of the $4.00 per pound candy should be included?
Answer Choices
Correct answer marked belowA
15
20
Correct
C
35
D
45
E
55
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Explanation
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Official Explanation
Official
Let the weight of the $4 candy to be added be w. We set up the equation: 7 = (30*9 + 4*w)/(30…
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Comments
2
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M
MuditOct 23, 2024
good question
S
SarthakJan 6, 2024
Thanks for sharingThank you for sharing!!thanks for sharing
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