Five consecutive traffic signals each show either red or green. How many different arrangements of the five signals are possible?	Choose the correct answer
A) 40 B) 32 C) 28 D) 17 E) 6
Since the answer choices to the question are so small (relatively speaking), you can get to the correct answer without having to do any fancy calculations. With a drawing and a bit of 'brute force', you can answer this question relatively quickly.   We're told that 5 consecutive traffic signals each show either red or green. We're asked how many different arrangements of the 5 signals are possible.   Total Options: 32   Final Answer:   32
<result>B</result>
Five consecutive traffic signals each show either red or green. How many different arrangements of the five signals are possible?