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11 Jun 2025, 00:30
Kudos
Bookmarks
E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
75% (02:26) correct
25%
(03:02)
wrong
based on 102
sessions
History
Date
Time
Result
Not Attempted Yet
Compact Discs are sold in boxes of 72 for $9.40 and in boxes of 24 for $4.40. A customer who needed only 72 CDs for a project had to buy 3 boxes of 24 because boxes of 72 were unavailable. Approximately how much more did the customer pay for each CD due to the unavailability of the larger boxes?
A. $0.23
B. $0.18
C. $0.15
D. $0.11
E. $0.05
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
A. $0.23
B. $0.18
C. $0.15
D. $0.11
E. $0.05
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
11 Jun 2025, 00:47
Kudos
Bookmarks
Price for box of 72 = $9.40
Effective price of 24 for box of 72 = $9.40/3 = 3.13
Price for box of 24 = $4.40
Difference = 4.4-3.13 = 1.27
Extra per box = 1.27/24 ~125/2500 = 1/20 = 0.05
Effective price of 24 for box of 72 = $9.40/3 = 3.13
Price for box of 24 = $4.40
Difference = 4.4-3.13 = 1.27
Extra per box = 1.27/24 ~125/2500 = 1/20 = 0.05
Bunuel
11 Jun 2025, 03:44
Kudos
Bookmarks
Bunuel
Compact discs sold in boxes of 72 = $9.40
Compact discs sold in boxes of 24 = $4.40
Buying 72 CDs as 3 boxes of 24 will amount to $4.40*3 = $13.20
Amount paid extra = $13.20 - $9.40 = $3.80
This $3.80 is split between 72 CDs, and we get $3.80/72 =approx $0.05
Estimation = 3.60/72 = 36.0/720 = 0.05
option E
