Enzel goes online to buy a graphing calculator. he finds a site that currently has a promotion of 15% off on all orders over $50. enzel decides to buy his graphing calculator, with a price tag of $83, at this site because he knows that he will get the 15% discount when he checks out. enzel pays 4.5% sales tax on the discounted price and pays a shipping fee of $6.35. what is the total of enzel’s online purchase?

So firstly, we need to find the discounted price. Since this is going to be a decrease by percentage, we will be using this format:

In this case:

Now that we have the discounted price, we must apply the 4.5% sales tax. Since this is going to be an increase by percentage, we will be using this format:

In this case:

Now we have the discounted price with the sales tax. Now all we have to do is add the shipping fee:

The total price of Enzel's purchase is $80.07.

hard

step-by-step explanation: