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30 Aug 2019, 06:24
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
79% (01:08) correct
21%
(01:47)
wrong
based on 92
sessions
History
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While on a straight road, Car C and Car D are traveling at different constant rates. If Car C is now 10 miles behind Car D, how many minutes from now will Car C be 20 miles behind Car D?
(1) Car C is traveling at 30 miles per hour and Car D is traveling at 40 miles per hour.
(2) Thirty minutes ago Car C was 5 miles behind Car D.
(1) Car C is traveling at 30 miles per hour and Car D is traveling at 40 miles per hour.
(2) Thirty minutes ago Car C was 5 miles behind Car D.
30 Aug 2019, 06:37
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Bunuel
While on a straight road, Car C and Car D are traveling at different constant rates. If Car C is now 10 miles behind Car D, how many minutes from now will Car C be 20 miles behind Car D?
(1) Car C is traveling at 30 miles per hour and Car D is traveling at 40 miles per hour.
(2) Thirty minutes ago Car C was 5 miles behind Car D.
(1) Car C is traveling at 30 miles per hour and Car D is traveling at 40 miles per hour.
(2) Thirty minutes ago Car C was 5 miles behind Car D.
Similar question from OG: https://gmatclub.com/forum/while-on-a-s ... 29235.html
30 Aug 2019, 09:54
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(Vc-Vd)t =10+20
A- put values get answer
B- (Vc-Vd)30= 5, get the answer
Posted from my mobile device
A- put values get answer
B- (Vc-Vd)30= 5, get the answer
Posted from my mobile device
