How can I find out if all the sheep have come in from the field? Count them as they are going out, and count them again as they are coming in.
How can I remember how many sheep that person owes me? Write down their name, the word “sheep”, and the number of sheep.
How can I resolve conflicts with someone without fighting, when just talking it out with that person doesn’t seem to be working? Find some person whom we both respect, have each of us explain their view on the situation, and follow the respected person’s advice.
How can I keep warm when going outside on a blustery fall day? Wear clothing.
How can I eat without spending all my time hunting? Buy food from other people who specialize in that.
How can I retain key thoughts more precisely than by mere memorization? Write them down.
Other “solved problems” from early human history:
How can I find out if all the sheep have come in from the field? Count them as they are going out, and count them again as they are coming in.
How can I remember how many sheep that person owes me? Write down their name, the word “sheep”, and the number of sheep.
How can I resolve conflicts with someone without fighting, when just talking it out with that person doesn’t seem to be working? Find some person whom we both respect, have each of us explain their view on the situation, and follow the respected person’s advice.
Another category is questions like “(2x^8)/3 +62/4 = x” where the method of obtaining the answer is well defined, but the answer itself is unknown.
I know the answer.