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13 Feb 2020, 07:22
Kudos
Bookmarks
E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
94% (01:21) correct
6%
(01:32)
wrong
based on 126
sessions
History
Date
Time
Result
Not Attempted Yet
Last year, a magazine charged a $50 subscription fee. This year, the price will be increased by $10. If the magazine could lose 4 subscribers this year and still collect the same revenue as it did last year, how many subscribers did the magazine have last year?
A. 20
B. 21
C. 22
D. 23
E. 24
A. 20
B. 21
C. 22
D. 23
E. 24
13 Feb 2020, 11:43
Kudos
Bookmarks
Bunuel
Solution:
- • Last year’s subscription fee = \($50\).
- o Let \(x\) be last year’s number of subscribers.
- o This years’ subscriber = \(x – 4\).
- o \(50*x=60*(x-4)\)
o \(50*x=60*x-240\)
o \(50*x-60*x=-240\)
o \(-10*x=-240\)
o \(x = 24\)
Archit3110
Major Poster
13 Feb 2020, 19:38
Kudos
Bookmarks
Bunuel
from given info we can get
50 x= 60*(x-4)
x= 24
IMO E
