It should be 23/9. I hope that helped
Answer:

Step-by-step explanation:
For calculating the sales tax of a product, it is required to first multiply the original cost price of the product by the sales tax percentage.
Once the sales tax has been computed add it to the original cost price in order to determine the total cost of the product.
The formula of final amount is:

Here,
A = final amount
P = original cost price
S = sales tax percentage
Your answer would be a 60 CM squared because there are five additional boxes so you would do 10×6 because he would add the one box at the tennis and making 60 Siri answer would be a