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The distance between Mercury and Earth changes due to the or

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The distance between Mercury and Earth changes due to the or [#permalink] New post 19 May 2018, 14:01
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Question Stats:

80% (01:16) correct 20% (02:01) wrong based on 10 sessions
The distance between Mercury and Earth changes due to the orbits of the planets. When Mercury is at its closest point to Earth, it is 48 million miles away. When Mercury is at its furthest point from Earth, it is 138 million miles away. For a science project, Ruby calculates the maximum and minimum amount of time it would take to travel from Earth to Mercury in a spacecraft traveling 55 miles per hour. Approximately what are the times, in days?

(A) 3,636 and 10,454
(B) 14,545 and 41,818
(C) 36,364 and 104,545
(D) 87,272 and 250,909
(E) 872,727 and 2,509,091
[Reveal] Spoiler: OA

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Re: The distance between Mercury and Earth changes due to the or [#permalink] New post 21 May 2018, 21:32
55 miles per hour, then 1320 miles per day.

As answers are in number of days, conversion is crucial.

1320 miles -- 1 day
48*10^6 miles -- ? days

On solving, we get C.

Only nearest or farthest can be calculated to save time.
Re: The distance between Mercury and Earth changes due to the or   [#permalink] 21 May 2018, 21:32
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The distance between Mercury and Earth changes due to the or

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