Question

how many minutes was the decline in watching television? 21 22 20 23

Explanation:

To determine the decline in television - watching minutes, we assume there are two values (e.g., initial and final minutes of television watching) and we calculate the difference between them. But since the necessary data (like the initial and final time spent watching TV) is missing from the provided problem, we can't calculate the exact decline. However, if we consider a common context (for example, if the initial time was, say, 100 minutes and the final was 79 minutes, the decline would be 21 minutes; if initial was 100 and final 78, decline 22, etc.). But without the original data (like a table or prior values), we can't be sure. But looking at the options, if we assume a typical decline calculation (for example, if the original time was 100 and new is 79, 100 - 79 = 21), the most probable answer from the given options, assuming a common scenario, is 21.

Answer:

21