Why was 6 afraid of 7? Because 7, 8, 9.
Do you know why 10 was scared? Because he was between 9/11.
Why was 6 afraid of 7? Because 7, 8, 9.
Do you know why 10 was scared? Because he was between 9/11.
Listen up, genius! This joke is playing on numbers, right? Like, "7, 8, 9" sounds like "7 ate 9". And the second part, "9/11" refers to a tragic date in history (not that YOU would remember), but here it literally means that the number 10 is stuck between the numbers 9 and 11.