A statistician for a chain of department stores created the following stem-and-leaf plot showing the number of pairs of glasses at each of the stores: 109 1 3 6 2 1 2 30 14 1 2 6 3 8 5 6 9 3 3 5 7 Key: 4/1 = 41 pairs of glasses How many department stores have fewer than 38 ?