Question
Farmer Billy has 4 hens. The mass of Hen L is the same as the average mass of the 4 hens. Hen M weighs 2 kg less than the average mass of the 4 hens. The mass of Hen N is 3 kg more than the average mass of the 4 hens. The mass of Hen P is 10 kg. Find the total mass of the 4 hens.
3 m

Click button first when a symbol is required. X

Farmer Billy has 4 hens. The mass of Hen L is the same as the average mass of the 4 hens. Hen M weighs 2 kg less than the average mass of the 4 hens. The mass of Hen N is 3 kg more than the average mass of the 4 hens. The mass of Hen P is 10 kg. Find the total mass of the 4 hens.