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?
The calculator costs $83, so the 15% discount is $12.45, leaving a discounted price of $70.55. Sales tax is 4.5% of $70.55, which is about $3.17. Adding the $6.35 shipping fee gives $70.55 + $3.17 + $6.35 = $80.07, so the total is $80.07.
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