On a certain road 10% of the motorists exceed the posted speed limit and receive speeding tickets, but 15% 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?	Choose one.
A) 11.7%
B) 12.5%
C) 15%
D) 22%
E) 30%
Answer is A.   This question is in the OG and thus well explained by ets.   those who exceed : X   so X = 10%+0,15X   id est X = 11,7%
<result>A</result>
On a certain road 10% of the motorists exceed the posted speed limit and receive speeding tickets, but 15% 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?