According to the graph, approximately how many
people were employed as food preparation and service
workers in 2013?

2 million
2.5 million
3 million
4.5 million

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.