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During a trip, Francine traveled x percent of the total

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Senior Manager
Joined: 08 Jun 2004
Posts: 495

Kudos [?]: 92 [0], given: 0

Location: Europe
During a trip, Francine traveled x percent of the total [#permalink]

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30 Apr 2006, 08:23
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Difficulty:

35% (medium)

Question Stats:

75% (01:47) correct 25% (02:07) wrong based on 275 sessions

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During a trip, Francine traveled x percent of the total distance at an average speed of 40 miles per hour and the rest of the distance at an average speed of 60 miles per hour. In terms of x, what was Francineâ€™s average speed for the entire trip?

A. (180-x)/2
B. (x+60)/4
C. (300-x)/5
D. 600/(115-x)
E. 12,000/(x+200)

OPEN DISCUSSION OF THIS QUESTION IS HERE: during-a-trip-francine-traveled-x-percent-of-the-total-94933.html
[Reveal] Spoiler: OA

Kudos [?]: 92 [0], given: 0

VP
Joined: 28 Mar 2006
Posts: 1367

Kudos [?]: 38 [1], given: 0

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30 Apr 2006, 08:55
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X% traveeled at 40 mph
100-X% traveeled at 60 mph

total timt taken = x/40 +(100-x)/60 = (200+x)/120

Total distance = x+(100-x) = 100

Av speed = Tot Dis/Time Taken which is E

Kudos [?]: 38 [1], given: 0

Intern
Joined: 31 Dec 2012
Posts: 10

Kudos [?]: [0], given: 55

GMAT 1: 700 Q44 V42
Re: During a trip, Francine traveled x percent of the total [#permalink]

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01 Mar 2013, 03:54
What question level is this?

Kudos [?]: [0], given: 55

Math Expert
Joined: 02 Sep 2009
Posts: 41873

Kudos [?]: 128562 [1], given: 12180

Re: During a trip, Francine traveled x percent of the total [#permalink]

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01 Mar 2013, 03:56
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Expert's post
2flY wrote:
What question level is this?

~650.

OPEN DISCUSSION OF THIS QUESTION IS HERE: during-a-trip-francine-traveled-x-percent-of-the-total-94933.html
_________________

Kudos [?]: 128562 [1], given: 12180

Re: During a trip, Francine traveled x percent of the total   [#permalink] 01 Mar 2013, 03:56
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