25% of babies born at Yale New Haven Hospital weigh less than 6 pounds and 78% weigh less than 8.5 pounds. What percent of the babies born at Yale New Haven Hospital weigh among 6 and 8.5 pounds?
78% weigh less than 8.5 pounds, other than you must subtract the 25% that are below 6 pounds; 78% - 25% = 53%. 53% of the babies weigh among 6 and 8.5 pounds.