How many ways can you arrange a family of five in one line for a photo?

To arrange a family of five in one line for a photo, you can use the concept of permutations. The number of ways to arrange five people is calculated as 5! (5 factorial), which equals 5 × 4 × 3 × 2 × 1 = 120. Therefore, there are 120 different ways to arrange a family of five in a line.