Answer:Here's the solution using the AGONA method: Asked: How many newspapers and magazines were they able to collect together? Given: - Leo collected 42 newspapers.- Leo collected 10 magazines.- Lily collected 23 more newspapers. Operation: - Addition: To find the total number of newspapers. Number Sentence: 42 + 23 + 10 = N Answer: Leo and Lily were able to collect a total of 75 newspapers and magazines