Rule of 50 Share definition Flag The average adult has a 50/50 chance of surviving a 50-yard swim or 50 minutes in 50-degree water. Coast Guard rescuers must work fast due to the Rule of 50 Rule of 50 by Anonymouz+ April 6, 2010 0 0 Get merch Get the Rule of 50 mug. Buy Now — $32.95 See more merch
