Clicking "Use a hint" will walk you through the logic. While you won't get "points" for that specific question, you will actually learn the method.
: Khan Academy's engineering team actively works to block these exploits . As the platform updates, these tools frequently break and require constant maintenance from their creators to remain functional. Official Reporting vs. Unauthorized "Reports" Khan Academy Answer Revealer
Before using a third-party answer revealer, consider the following: Clicking "Use a hint" will walk you through the logic
He had tried everything: re-watching the videos, scouring the Getting Started guides scouring the Getting Started guides