Answer: $11.60
Explanation: First, you want to do 15.1 - 9.3 to find what half of his weekly allowance is, and that would be 5.8, AKA $5.80. Next, you want to multiply that number by 2, which would be 5.8(2) to get 11.6, or your final answer, $11.60.




<h3>Remember these laws of integers:</h3>
- (+)(-)=(-)
- (-)(+)=(-)
- (-)(-)=(+)
- (+)(+)=(+)
Answer:
2.5 gallons of black paint
17.5 gallons of white paint
Step-by-step explanation: