To determine the total amount of time Jay spent painting both sides of his house, we need to add the hours he spent on each side together. Here's a step-by-step explanation:
1. Identify the time spent on each side:
- Jay spent 7 hours painting one side.
- Jay spent 12 hours painting the other side.
2. Combine the times:
- To find the total time spent painting both sides, we add the hours together.
3. Perform the addition:
- [tex]\( 7 \text{ hours} + 12 \text{ hours} = 19 \text{ hours} \)[/tex]
4. Match this calculation to the correct number sentence:
- [tex]\( 7 + 12 = 19 \)[/tex]
So, the number sentence that matches the word problem is:
A. [tex]\( 7 + 12 = 19 \)[/tex]
Thus, it took Jay 19 hours to paint both sides of his house.
