At a party of 102 people,17 lb of potato salad is served. a. write and solve an equation to find how many people each pound of potato salad serves. b. write and solve an equation to find the average number of pounds of potato salad that each person is served.

50% of students voted for candidate b.

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.