Tysons spend 3/5 of his money on buying food, and 50 % of what was left on rent. After that, he finds that he has sh. 8000 /=left on his pocket. Determine the amount of money spent on buying food

spent 3/5, leaving 2/5

50% (half) of that is another 1/5
the 1/5 left is 8000
so, ...