Answer: 9 in
Step-by-step explanation:
You can do like that ⬆ (open picture if you don't know what i am talking about)
Roman will have to pay $89.67 for his school supplies.
Since you needed help, I’ll show you my work so you know for next time:
85.40 (.05) = 4.27
85.40 + 4.27
= 89.67
I hope this helps :)