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suter [353]
3 years ago
14

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?
Mathematics
2 answers:
maw [93]3 years ago
8 0
<h2>Steps</h2>

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

  • (1 - p)m
  • <em>(p = percentage in decimal form and m = original price)</em>

In this case:

15\% = 0.15\\\\(1-0.15)*83\\0.85*83\\70.55

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

  • (1 + p)m

In this case:

4.5\%=0.045\\\\(1+0.045)*73.55\\1.045*70.55\\73.72

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

73.72+6.35=80.07

<h2>Answer</h2>

<u>The total price of Enzel's purchase is $80.07.</u>

pashok25 [27]3 years ago
3 0

Answer:

A) $80.07

Step-by-step explanation:

for all the lazy ones who don't want to actually learn :)

ED2020

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------------------------------------  

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-----

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----

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---

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-----

Step-by-step explanation:

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