6th Grade Math
posted by klk .
A mother duck has 5 ducklings. The average weight of the 5 ducklings is 6 ounces. If the average weight of three of the ducklings is 5.25 ounces, what is the average weight, in ounces, of the other 2 ducklings? Express your answer as a decimal to the nearest thousandth.
right off my head i think it would be 6.75