The male donkey was carrying 7 loads, and the female donkey was groaning under the weight of 5 loads.
See:
Take Y to be the male donkey’s loads, X to be the female donkey’s loads.
We know that:
Y+1 = 2(X-1) and Y-1 = X+1
This implies that (adding them up, after multiplying the second by –1)
2 = X-3 => X = 5=>Y = 7
Back to the problem
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