How To Calculate Sales Tax Using Math

TL;DR

Learn how to calculate sales tax and the final price of a purchase through step-by-step examples.

Transcript

in this video we're going to talk about how to calculate sales tax and also the final price of a purchase so let's start with this problem Sam purchases a laptop for 499 dollars the tax rate is eight percent how much will Sam pay in sales taxes the first thing we need to do is convert percentage into a decimal so what is eight percent as a decimal ... Read More

Key Insights

• 👈 Converting a tax rate from a percentage to a decimal is done by dividing the percentage by 100 or moving the decimal point two places to the left.
• 🚕 To calculate the amount of sales tax, multiply the price of the item by the tax rate in its decimal form.
• 🚕 The final price of a purchase is obtained by adding the price of the item to the amount of sales tax.

Questions & Answers

Q: How do you convert a tax rate from a percentage to a decimal?

To convert a tax rate from a percentage to a decimal, divide the percentage by 100 or move the decimal point two places to the left. For example, 8 percent becomes 0.08.

Q: How do you calculate the amount of sales tax?

Multiply the price of the item by the tax rate in its decimal form. For example, if the price is $499 and the tax rate is 0.08, you would multiply $499 by 0.08 to get $39.92.

Q: How do you find the final price of a purchase?

To find the final price, add the price of the item to the amount of sales tax. For example, if the price is $499 and the sales tax is $39.92, the final price would be $538.92.

Q: What are some resources for more practice solving sales tax problems?

For more practice with sales tax, percentage, or percentage discount problems, you can search for "percent word problems organic chemistry tutor" on YouTube to find additional videos with practice problems.

Summary & Key Takeaways

• The video provides a detailed explanation of how to calculate sales tax and the final price of a purchase.

• It starts by explaining the process of converting a tax rate from a percentage to a decimal.

• The video then demonstrates how to calculate the amount of sales tax and add it to the original price to find the final price.