Understanding Discounts and Original Prices

The video tutorial explains how to determine the original price of a shirt that sells for $42 after a 25% discount. It begins by setting up an equation where P represents the original price. The equation is formed by subtracting the discount percentage from 100% and equating it to the discounted price. The percentage is then converted to a decimal to simplify the calculation. Finally, the equation is solved to find that the original price of the shirt is $56.

What is the original price of a shirt if it sells for $42 after a 25% discount?

• $50

• $56

• $42

• $35

How do you represent the original price in the equation?

• O

• D

• X

• P

What is the percentage used to calculate the discounted price?

• 100%

• 50%

• 75%

• 25%

How do you convert a percentage to a decimal?

• Subtract 100

• Divide by 100

• Add 100

• Multiply by 100

What is the final step to find the original price after setting up the equation?

• Subtract 42

• Multiply by 100

• Divide by the decimal

• Add 25