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25 Jun 2019, 02:57
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C
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Difficulty:
5%
(low)
Question Stats:
88% (01:45) correct
12%
(02:00)
wrong
based on 65
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Nina has exactly enough money to purchase 6 widgets. If the cost of each widget were reduced by $1.25, then Nina would have exactly enough money to purchase 8 widgets. How much money does Nina have?
A. $22
B. $24
C. $30
D. $36
E. $40
A. $22
B. $24
C. $30
D. $36
E. $40
25 Jun 2019, 03:35
Kudos
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Bunuel
Nina has exactly enough money to purchase 6 widgets. If the cost of each widget were reduced by $1.25, then Nina would have exactly enough money to purchase 8 widgets. How much money does Nina have?
A. $22
B. $24
C. $30
D. $36
E. $40
A. $22
B. $24
C. $30
D. $36
E. $40
6x=8(x-1.25)
x=5
total=30
25 Jun 2019, 05:50
Kudos
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Bunuel
Nina has exactly enough money to purchase 6 widgets. If the cost of each widget were reduced by $1.25, then Nina would have exactly enough money to purchase 8 widgets. How much money does Nina have?
A. $22
B. $24
C. $30
D. $36
E. $40
A. $22
B. $24
C. $30
D. $36
E. $40
Let the price of each widget be p $ and Total money = X $
--> X = 6*p ....... (1)
If the cost of each widget were reduced by $1.25, then Nina would have exactly enough money to purchase 8 widgets
--> X = 8*(p - 1.25) ....... (2)
Equating (1) & (2)
--> 6*p = 8*p - 10
--> 10 = 2*p
--> p = 5 $
Total money = X = 6*p = 6*5 = 30 $
IMO Option C
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