Answer:
-5 dollars
Explanation:
Let:
- x = amount of money with Jim at the start of the week ($)
After eating out:
- Spends 45 dollars, or 45 dollars is removed
- x - 45
After mowing lawns:
- Gains 55 dollars, or 55 dollars is added
- x - 45 + 55 = x + 10
After buying gas:
At the end of the week, he ended up with 5 dollars less than he started, so the change is -5 dollars
-Chetan K