Answer:
1/12
Explanation:
Say his starting salary is x.
Food is: 1/2 x
Drip is: 5/12 x
So, we add those together and get:
1/2x+5/12x
=6/12x+5/12x
=11/12x.
However, 11/12x is the total amount he spent. We need to subtract the total salary (x) to 11/12x find what he has left. So, the answer is:
12x/12x-11/12x
=1/12x