Since 30÷15 is 2 you now know each party hat is 2 dollars. Now we know that and we can easily find out how much a roll of streamer is. 11-(4x2)=3. 3÷2=1.5. One roll of streamer is $1.50 and one party hat is $2. I'm pretty sure I did this right lol I hope it helps
Answer:
42.11
Step-by-step explanation:
Add all of the numbers, and then divide the total of the numbers by 9. With 9 being how many numbers are added.
Answer:

Step-by-step explanation:

Answer:
8
Step-by-step explanation:
8 is the correct answer