Answer:
Step-by-step explanation:
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x carried by horse
y carried by donkey
y+1 = (1/2)(x-1) multiplied by 2
2y + 2 = x - 1 : x = 2y + 3
x+1 = 3(y-1)
2y + 3 + 1 = 3y - 3
4 + 3 = 3y - 2y
y=7 carrid by the donkey
x=17 carried by horse