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21 Sep 2021, 05:00
Kudos
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D
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:
61% (02:10) correct
39%
(02:09)
wrong
based on 214
sessions
History
Date
Time
Result
Not Attempted Yet
Zoe needs to drive 879 miles in 24 hours. She will need seven rest breaks of a half hour each, during which she will not be driving. Approximately what speed, in miles per hour, will she need to average during the periods when she is driving to finish the journey in time?
A. 40
B. 41
C. 42
D. 43
E. 44
A. 40
B. 41
C. 42
D. 43
E. 44
22 Sep 2021, 03:24
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30 mins 7 break = 3.5 hrs (24-3.5) = 20.5 hrs actual driving for 879 kms
Speed = distance / time = (879/20.5) = 42.87 average speed
It's definitely not 43, as the avg speed has not crossed it.
Correct Option C
Posted from my mobile device
Speed = distance / time = (879/20.5) = 42.87 average speed
It's definitely not 43, as the avg speed has not crossed it.
Correct Option C
Posted from my mobile device
