The average weight of five ducklings is 6 ounces. if the average weight of 3 of the 5 ducklings is 5.25 ounces what is the average weight of the other 2 ducklings?
Together 5 ducklings weigh 30 ounces.
3 * 5.25 = 15.75 oz.
30 - 15.75 = 14.25
14.25 / 2 = ?