This delicious and open-ended problem appeared in Gary Antonick's short-lived NYT's column Numberplay.

At a restaurant, the check for your meal comes as: "Pi dollars due. Exact payment required." What do you do?

Solution(s) posted. (typo: of course I meant 4-Pi for the tip.) I am glad people did not get into the irrational vs. transcendental solutions.

Posted by Steven Lord on 2018-07-18 06:52:15