How to determine the percent price increase between two values

The video tutorial explains how to calculate price increase and decrease ratios. It uses an example of shoe pricing to demonstrate the calculation of a price increase percentage. The original price of shoes is $100, and the new price is $180, resulting in an 80% increase. The tutorial emphasizes understanding the formula and applying it to determine price changes effectively.

What is the primary focus of understanding price ratios?

• To calculate the price increase or decrease

• To compare different brands

• To determine the quality of a product

• To find the best time to buy a product

In the shoe purchase example, what was the original price of the shoes?

• $180

• $150

• $100

• $200

What was the new price of the shoes after the initial offer?

• $180

• $100

• $150

• $200

How do you calculate the percentage increase in price?

• Subtract the new price from the original price and divide by the new price

• Multiply the original price by the new price

• Subtract the original price from the new price and divide by the original price

• Add the original price to the new price and divide by two

What was the percentage increase in the price of the shoes?

• 30%

• 80%

• 100%

• 50%