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A comet is traveling towards a distant planet at a speed of 85,000 kil
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Updated on: 20 Dec 2022, 23:43
Updated on: 20 Dec 2022, 23:43
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Question Stats:
78% (01:50) correct
21% (01:09) wrong based on 19 sessions
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A comet is traveling towards a distant planet at a speed of 85,000 kilometers per minute. If the comet is currently 17 billion kilometers from the planet, approximately how many hours will it take for the comet to hit the planet?
(A) 350
(B) 1,333
(C) 2,000
(D) 2,500
(E) 3,333
(A) 350
(B) 1,333
(C) 2,000
(D) 2,500
(E) 3,333
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
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Re: A comet is traveling towards a distant planet at a speed of 85,000 kil
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22 Dec 2022, 05:39
22 Dec 2022, 05:39
1
Expert Reply
Carcass wrote:
A comet is traveling towards a distant planet at a speed of 85,000 kilometers per minute. If the comet is currently 17 billion kilometers from the planet, approximately how many hours will it take for the comet to hit the planet?
(A) 350
(B) 1,333
(C) 2,000
(D) 2,500
(E) 3,333
(A) 350
(B) 1,333
(C) 2,000
(D) 2,500
(E) 3,333
Speed= 85,000 kilometers per minute or 5,100,000 kilometers per hour
5,100,000= 5.1 million as 1 million = 1,000,000
17 billion = 17,000 millions as 1000 millions= 1 billion
We can get an approximate answer by dividing 17,000 by 5
17,000/5=3,400 which is near equals 3,333
Answer: E
gmatclubot
Re: A comet is traveling towards a distant planet at a speed of 85,000 kil [#permalink]
22 Dec 2022, 05:39
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