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# Carrie added M coins to her large collection, which gave her a total

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Math Expert
Joined: 02 Sep 2009
Posts: 65765
Carrie added M coins to her large collection, which gave her a total  [#permalink]

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07 Jul 2020, 01:45
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Difficulty:

(N/A)

Question Stats:

70% (00:56) correct 30% (01:58) wrong based on 10 sessions

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Carrie added M coins to her large collection, which gave her a total of N coins. Then, Carrie sold M - 180 of her coins to a local collector. How many coins did Carrie have left?

A. M-N+180
B. N+M-180
C. N - M + 180
D. N - M -180
E. (M + N -180)/2

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Joined: 18 Jan 2020
Posts: 1501
Location: India
GPA: 4
Re: Carrie added M coins to her large collection, which gave her a total  [#permalink]

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07 Jul 2020, 01:51
Total - Deducted amount = leftover amount.

N = Total money.
M-180 = deducted amount.

N-(M-180) = leftover amount
N-M+180 = leftover amount

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Intern
Joined: 16 Sep 2019
Posts: 7
Re: Carrie added M coins to her large collection, which gave her a total  [#permalink]

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07 Jul 2020, 02:25
Total money. =N.
Deducted amount = M-180

Balance amount = N-(M-180)

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IESE School Moderator
Joined: 11 Feb 2019
Posts: 311
Re: Carrie added M coins to her large collection, which gave her a total  [#permalink]

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07 Jul 2020, 05:29
IMO C

Total 'N' Coins
Coins given: M-180
Left = N- (M-180) = N-M+180
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Cheers,
NJ
Re: Carrie added M coins to her large collection, which gave her a total   [#permalink] 07 Jul 2020, 05:29