On a certain road 12% 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?	Pick:	A) 10.5%	B) 12.5%	C) 15%	D) 22%	E) 30%
Answer is C.   This question is in the OG and thus well explained by ets.   those who exceed : X   so X = 12%+0,2X   id est X = 15%
<result>C</result>
On a certain road 12% 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?