The expression 102.50+ -39.95 is actually a mathematical operation, not related to a real-world problem. It is the addition of two numbers, 102.50 and -39.95. To find a real-world problem that could be solved with the sun (not related to this mathematical expression), an example could be the development of solar panels to harness the sun's energy and provide sustainable electricity to remote areas with limited access to power grids.
It seems like you have provided a mathematical expression rather than a real-world problem. Can you please clarify what you mean by "solved with the sun 102.50+ -39.95"?
