1. The problem states that the average number of magazines sold per day in a week is 4. 2. There are 7 days in a week, so the total number of magazines sold in a week is $7 \times 4 = 28$. 3. From the table, the total magazines sold in a week is the sum of all days: $$ (p + 5) + 11 + 2p + 6 $$ 4. Simplify the sum: $$ p + 5 + 11 + 2p + 6 = 3p + 22 $$ 5. Set the total equal to 28: $$ 3p + 22 = 28 $$ 6. Solve for $p$: $$ 3p = 28 - 22 $$ $$ 3p = 6 $$ $$ p = \frac{6}{3} = 2 $$ 7. Therefore, the value of $p$ is 2. Final answer: $p = 2$