Question
Farmer Brandon has 4 dogs. The mass of Dog T is the same as the average mass of the 4 dogs. Dog U weighs 3 kg less than the average mass of the 4 dogs. The mass of Dog V is 5 kg more than the average mass of the 4 dogs. The mass of Dog W is 10 kg. Find the total mass of the 4 dogs.
3 m

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Farmer Brandon has 4 dogs. The mass of Dog T is the same as the average mass of the 4 dogs. Dog U weighs 3 kg less than the average mass of the 4 dogs. The mass of Dog V is 5 kg more than the average mass of the 4 dogs. The mass of Dog W is 10 kg. Find the total mass of the 4 dogs.