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08 Jun 2016, 10:14
Kudos
Bookmarks
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
44% (01:21) correct
56%
(02:14)
wrong
based on 9
sessions
History
Date
Time
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Not Attempted Yet
A taxicab fare costs x dollars for the first quarter of a mile and 1/4*x dollars for each quarter of a mile after that. How much will the total cost be for a 3/2 mile ride?
A. 3x
B. 13/4*x
C. 10x
D. 5/4*x
E. 2.5x
A. 3x
B. 13/4*x
C. 10x
D. 5/4*x
E. 2.5x
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08 Jun 2016, 10:43
Kudos
Bookmarks
Bunuel
A taxicab fare costs x dollars for the first quarter of a mile and 1/4*x dollars for each quarter of a mile after that. How much will the total cost be for a 3/2 mile ride?
A. 3x
B. 13/4*x
C. 10x
D. 5/4*x
E. 2.5x
A. 3x
B. 13/4*x
C. 10x
D. 5/4*x
E. 2.5x
3/2 miles = 1+1/2 miles
1+1/2 miles have 6 1/4 miles
1st 1/4 mile will cost= x
Remaining 5 1/4 miles will cost= 5/4 x
Total cost = x + 5/4 x= 9/4 x
Please advise if I am missing something here
09 Jun 2016, 01:43
Kudos
Bookmarks
Hi bunuel
Is there a typo error somewhere in the answer choice? Coz the answer to this question should be 9x/4 but this answer choice is missing.
Solution:
Cost of 1st quarter mile = x
Remaining distance = (3/2 - 1/4) miles = 5/4 miles = 5 quarter miles
Cost of remaining 5 quarter miles = 5 (1/4 x) = 5x/4
Total cost = x + 5x/4 = 9x/4 !!! Hope that explains it.
Is there a typo error somewhere in the answer choice? Coz the answer to this question should be 9x/4 but this answer choice is missing.
Solution:
Cost of 1st quarter mile = x
Remaining distance = (3/2 - 1/4) miles = 5/4 miles = 5 quarter miles
Cost of remaining 5 quarter miles = 5 (1/4 x) = 5x/4
Total cost = x + 5x/4 = 9x/4 !!! Hope that explains it.
