The real-world problem that could be solved with the sum \( 102.50 + (-39.95) \) is:
Nevaeh earned $102.50 last weekend. He then spent $39.95 on a new game. How much money from his weekend earnings does he have left?
This problem involves starting with $102.50 and subtracting $39.95, which can be expressed as \( 102.50 + (-39.95) \).