To determine how much money Ron finished with, follow these steps:
1. Calculate the total amount spent:
- Amount spent on rides: $15
- Amount spent on lunch: $8.65
- Amount spent on a gift: $5
Total amount spent:
[tex]\[ 15 + 8.65 + 5 = 28.65 \][/tex]
2. Calculate the remaining amount after spending:
- Initial amount: $50
- Total amount spent: $28.65
Remaining amount:
[tex]\[ 50 - 28.65 = 21.35 \][/tex]
3. Add the cash prize won:
- Cash prize: $10
Total money after winning the prize:
[tex]\[ 21.35 + 10 = 31.35 \][/tex]
Therefore, Ron finished with $31.35.