How to Calculate a Discount and Sale Price | Math with Mr. J

Welcome to How to Calculate a Discount and Sale Price with Mr. J! Need help with calculating discounts and sale prices? You're in the right place!
Whether you're just starting out, or need a quick refresher, this is the video for you if you're looking for help with discounts and sale prices. Mr. J will go through discount and sale price examples and explain the steps of how to calculate a discount and how to calculate a sale price.
About Math with Mr. J: This channel offers instructional videos that are directly aligned with math standards. Teachers, parents/guardians, and students from around the world have used this channel to help with math content in many different ways. All material is absolutely free.
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Hopefully this video is what you're looking for when it comes to calculating discounts and calculating sale prices.
Have a great rest of your day and thanks again for watching! ✌️✌️✌️

[@MathwithMrJ]

✅Thanks so much for watching! ✌✌✌
⚠IMPORTANT NOTES WHEN WORKING WITH DISCOUNTS AND SALE PRICES⚠
✅This video used US currency in the examples, but discounts and sale prices can be calculated using this method with other currencies as well.
✅Money always goes to the hundredths place when we have change. For example, #1 gives us an answer of 10.2 when we multiply 68 x 0.15. I wrote the discount as $10.20 because money goes to the hundredths place when we have change. $10.2 does NOT mean $10 and 2 cents, it means $10 and 20 cents, so we write it as $10.20. On the other hand, if you get a decimal that goes past the hundredths place, for example 15.83845, then it needs to be rounded to the hundredths place. That decimal would round to $15.84. Something to keep in mind.

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Hey, when doing the discounts for the second one how do you set it up. Where do you put the number where you multiply since it has extra digits?

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[@Leusiom1]

For an easier explanation:
1. Covert the percentage to a decimal form by moving the decimal to the left twice.
2. multiply them
3 with the multiplication answer, minus it from the original price.

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What if both of them are dollars and none are percentage what do I do

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To do it in your head is real simple. Use the 40 percent off example and figure it like this. Use ten percent off the price and multiply it times four. 10 percent off of 219.95 is 21.99. "simply move the decimal point one over" I round it to "22" x 4 = 88 off. "NO PAD, PENCIL OR CALCULATOR"

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