In this context, the number 8 represents the total number of meals purchased by the Johnsons (2 burger meals + 5 hot dog meals = 8 meals).

Question

but how does 2 burger meals and 5 hot dog meals equals 8 meals

Answer 1

In the context provided, it is stated that the Johnsons purchased 2 burger meals and 5 hot dog meals. Therefore, if each of the 2 burger meals is counted as one meal and each of the 5 hot dog meals is also counted as one meal, the total number of meals would be 2 + 5 = 7 meals.