I think the answer is 156, I got this by multiplying 12 times 13.
Answer:
In order to calculate the sales tax of an item, we need to first multiply the pre-tax cost of the item by the sales tax percentage after it has been converted into a decimal. Once the sales tax has been calculated it needs to be added to the pre-tax value in order to find the total cost of the item.
Step-by-step explanation:
It is 420,5040,840 and 1680 is divisible by 2,3,4,5 &6.
