Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 3, how many people got on at the first stop? Select the correct option.
A) 128 B) 64 C) 32 D) 16 E) 8
Before stop 3, there were 2 passengers on the bus.   Before stop 2, there were 4 passengers on the bus.   Before stop 1, there were 8 passengers on the bus.   The answer is 8.
<result>E</result>
Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 3, how many people got on at the first stop?