Question
Farmer Ryan has 4 ducks. The mass of Duck V is the same as the average mass of the 4 ducks. Duck W weighs 3 kg less than the average mass of the 4 ducks. The mass of Duck X is 8 kg more than the average mass of the 4 ducks. The mass of Duck Y is 9 kg. Find the total mass of the 4 ducks.
3 m

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Farmer Ryan has 4 ducks. The mass of Duck V is the same as the average mass of the 4 ducks. Duck W weighs 3 kg less than the average mass of the 4 ducks. The mass of Duck X is 8 kg more than the average mass of the 4 ducks. The mass of Duck Y is 9 kg. Find the total mass of the 4 ducks.