Horses 2773

Horses, sheep, and ducks graze in the meadow. Sheep are more than ducks. Sheep and ducks have a total of 100 heads and legs. Ducks and sheep are three times more than horses. How many horses are there?

Correct answer:

a =  8

Step-by-step explanation:

a>0, b>0, c>0 a,b,c  N b>c 5b+3c=100 b+c = 3a  a = 8,   b = 14,   c = 10  a=8



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