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An eccentric casino owner decides that his casino should only use chip
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15 Feb 2023, 10:56
15 Feb 2023, 10:56
1
Expert Reply
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Question Stats:
100% (01:24) correct
0% (00:00) wrong based on 4 sessions
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An eccentric casino owner decides that his casino should only use chips in $5 and $7 denominations. Which of the following amounts cannot be paid out using these chips?
(A) $31
(B) $29
(C) $26
(D) $23
(E) $21
(A) $31
(B) $29
(C) $26
(D) $23
(E) $21
Re: An eccentric casino owner decides that his casino should only use chip
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19 Feb 2023, 13:58
19 Feb 2023, 13:58
1
Expert Reply
Each option but D can be represented as the sum of a multiple of 5 and a multiple of 7:
A. $31 = 7*3 + 5*2
B. $29 = 7*2 + 5*3
C. $26 = 7*3 + 5*1
E. $21 = 7*3
Answer: D.
A. $31 = 7*3 + 5*2
B. $29 = 7*2 + 5*3
C. $26 = 7*3 + 5*1
E. $21 = 7*3
Answer: D.
gmatclubot
Re: An eccentric casino owner decides that his casino should only use chip [#permalink]
19 Feb 2023, 13:58
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