Business Math Day 3 Original Price

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Welcome to dynasty Business Apprenticeship Professional INSTITUTE:

Welcome to dynasty Business Apprenticeship Professional INSTITUTE Business Math Original Price Session 3

PowerPoint Presentation:

Objective: To familiarize the student with the use of mathematic calculations for solving common business problems Duration: The session shall take approximately 45 minutes to complete. Navigation: Please review the navigation information on the next slide since it is extremely important to know how to move around the course. Again Welcome

There are three navigational features on each slide and they can be found by passing your arrow over the lower left segment of the slide. Forward arrow – Advances to the next slide Back Arrow – Goes back to the previous slide Pause - Allows you to either pause the slide or play it forward again Selection- Allows you to select which slide you want to go to Navigation

SOURCE MATERIAL:

All source material for the course is taken from The Money instructor.com . Dynasty acknowledges their lawful ownership. Since we are a non-profit entity this material will be used like a textbook and it’s content will be taught by a certified BAPI instructor. None of the material will be resold for profit. SOURCE MATERIAL

Original price:

Original price Calculating an Original Price If you know the amount of a discount and the % of the discount, how can you calculate the original price? Let’s look at this question in a little more detail. First, you know what you paid for the item. Let’s say you paid \$18.00. Then, you also know the discount was 40%. How can we use these two numbers to calculate the original price of the item?

Original price:

Original price If we have the sales price and the % of the discount, we have all that we need to do this calculation. The first thing that we are going to need to do is to write an equation. Here is how we can reword this problem: 18 is 40% of what number? This is saying that after we took a discount of 40% from some number and ended up with 18.

Original price equation:

Original price equation Let’s write the equation. “18 is” becomes 18 = 40% becomes a decimal .40 “of” means to multiply What number is our unknown x? Here is the equation. 18 = .40x

Original price equation:

Original price equation Next, we need to get x alone, so we divide both sides of the equation by .40. 18/ .40 = 𝑥 45 = x Our answer is 45. Now let’s apply this to our work with money. Example: Joaquin bought a new skateboard. He got a discount of 25% off meaning that they took \$8.00 off of the original price. What was the original price of the skateboard? Let’s rewrite this to be a bit simpler: 8 is 25% of what number? Next, we can write an equation. “8 is” becomes 8 = 25% becomes decimal .25 “of” means multiply What number is our unknown x? 8 = .25x

Original price equation:

Original price equation We divide both sides by .25 to get the variable by itself. 8/ .25 = 𝑥 32 = x Now we can change this back into money. Our answer is \$32.00.

Original price worksheet:

Original price worksheet Calculating an Original Price Worksheet Directions: Calculate the original number for each problem. You may round when necessary. 1. 12 is 30% of what number? 2. 7 is 10% of what number? 3. 9 is 3% of what number? 4. 11 is 5% of what number? 5. 22 is 15% of what number? 6. 35 is 20% of what number?

Original price worksheet:

Original price worksheet 7. 57 is 10% of what number? 8. 67 is 18% of what number? 9. 90 is 20% of what number? 10. 998 is 12% of what number? 11. 230 is 5% of what number? 12. 321 is 8% of what number? 13. If Jesse bought pair of sneakers for 20% off the purchase price and the discount was \$8.00, how much did the sneakers originally cost?

Original price worksheet answers:

Original price worksheet answers Answer Key 1. 40 2. 70 3. 300 4. 220 5. 147 6. 175 7. 570 8. 372 9. 450 10. 8317 11. 4600 12. 4013 13. \$40.00

CONGRATULATION !!! You have completed the course:

CONGRATULATION !!! You have completed the course Please proceed to the website www.dynasty8.org . Click on “office/ Course completion form, and complete the form. You will need : User: Dynasty PW: success 