by Quirkz (1206400) writes: In a college differential equations class we got questions such as:* There is a party and people are spiking the originally nonalcoholic punch at a rate of X, while drinking at a rate of Y. How long until everyone is drunk, assuming Z for the amount of alcohol needing to be consumed to be drunk.* Kryptonite with a radioactive field described with [equation] is placed nea