Read this word problem and use the sample data to answer the question about the larger group.

A local zoo wants to find out which animal exhibits are the most popular with their 250 guests. Of the 50 people surveyed, 12 people voted for the elephant exhibit. What is the best estimate of how many of the total guests voted for the elephant exhibit?

Options given are:
a. 50
b. 60
c. 25
d. 55