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# Bob drives at an average rate of 50 mph from Berkeley to Los

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Senior Manager
Joined: 20 May 2014
Posts: 282
Followers: 15

Kudos [?]: 49 [0], given: 220

Bob drives at an average rate of 50 mph from Berkeley to Los [#permalink]  12 Oct 2017, 20:45
00:00

Question Stats:

100% (00:28) correct 0% (00:00) wrong based on 5 sessions
Bob drives at an average rate of 50 mph from Berkeley to Los Angeles, a distance of 350 miles. How long does it take him to complete the trip?

(A) 4 hrs

(B) 5 hrs

(C) 7 hrs

(D) 10 hrs

(E) 12 hrs

Kudos for correct solution.
[Reveal] Spoiler: OA
Intern
Joined: 12 Oct 2017
Posts: 23
Followers: 0

Kudos [?]: 12 [1] , given: 3

Re: Bob drives at an average rate of 50 mph from Berkeley to Los [#permalink]  13 Oct 2017, 05:23
1
KUDOS
350 / 5 = 7
Director
Joined: 03 Sep 2017
Posts: 521
Followers: 1

Kudos [?]: 332 [0], given: 66

Re: Bob drives at an average rate of 50 mph from Berkeley to Los [#permalink]  15 Oct 2017, 07:00
The formula is $$speed = \frac{distance}{time}$$; thus in our case we can derive time as $$time = \frac{speed}{distance}$$.

Substituting numbers we have 350/50 = 7 hours.

Re: Bob drives at an average rate of 50 mph from Berkeley to Los   [#permalink] 15 Oct 2017, 07:00
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