4 ms·Why not just wait until the guy who changes the food comes in and ask him?by rokhayakebe 16y agoWhy not just wait until the guy who changes the food comes in and ask him?jws 16y agoYou could offer a barometer in exchange.GFischer 16y agothis references the "barometer problem" legend: http://www.snopes.com/college/exam/barometer.asp http://www.snopes.com/college/exam/barometer.asp