Problema Solution
in a yard, there are 50 heads and 134 feet of goats and ducks. How many of each kind are there?
Answer provided by our tutors
g + d = 50 ---> d = 50 - g
4g + 2(50 - g) = 134
4g + 100 - 2g = 134
2g = 34
g = 17
d = 50 - 17 = 33
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