Question 682060
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
{{{highlight_green(y = 7)}}} carried by donkey
x = 3(7)-4 = 21-4 = {{{highlight_green(x=17)}}} carried by horse
.....................
Have more questions? 
Email: HomeworkHelpers@readingboosters.com
Delighted to help.
-Reading Boosters
Website: www.MyHomeworkAnswers.com 
Wanting for others what we want for ourselves.