On a certain road 10% of the motorists exceed the posted speed limit : Problem Solving (PS)

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On a certain road 10% of the motorists exceed the posted speed limit

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Director

Joined: 24 Oct 2016

Posts: 586

GMAT 1: 670 Q46 V36 Verified score

GMAT 2: 690 Q47 V38 Verified score

Re: On a certain road 10% of the motorists exceed the posted speed limit [#permalink]

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19 Dec 2018, 18:07

chintzzz wrote:

On a certain road 10% of the motorists exceed the posted speed limit and receive speeding tickets, but 20% of the motorists who exceed the posted speed limit do not receive speeding tickets. What percent of the motorists on the road exceed the posted speed limit?

A. 10.5%
B. 12.5%
C. 15%
D. 22%
E. 30%

0.8x = 10%
x = 10%/0.8 = 12.5%

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Joined: 09 Sep 2013

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Re: On a certain road 10% of the motorists exceed the posted speed limit [#permalink]

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21 Dec 2019, 07:26

Hello from the GMAT Club BumpBot!

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