Question
Farmer Flynn has 4 ducks. The mass of Duck C is the same as the average mass of the 4 ducks. Duck D weighs 5 kg less than the average mass of the 4 ducks. The mass of Duck E is 6 kg more than the average mass of the 4 ducks. The mass of Duck F is 14 kg. Find the total mass of the 4 ducks.
3 m

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Farmer Flynn has 4 ducks. The mass of Duck C is the same as the average mass of the 4 ducks. Duck D weighs 5 kg less than the average mass of the 4 ducks. The mass of Duck E is 6 kg more than the average mass of the 4 ducks. The mass of Duck F is 14 kg. Find the total mass of the 4 ducks.