On a certain road 14% 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 one.
A) 10.5%  B) 12.5%  C) 17.5%  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 = 14%+0,2X   id est X = 17,5%
<result>C</result>
On a certain road 14% 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?