Percent of Change: Word Problems

Front

What is the formula to calculate the percent of change?

Back

Percent of Change = (New Value - Original Value) / Original Value x 100

Front

How do you calculate the discount amount from the original price?

Back

Discount Amount = Original Price - Sale Price

Front

If an item is originally priced at $100 and is sold for $80, what is the percent discount?

Back

20% discount

Front

What does a percent increase mean in a real-world context?

Back

A percent increase indicates how much a value has grown compared to its original amount.

Front

How do you find the final price after applying a discount?

Back

Final Price = Original Price - Discount Amount

Front

What is the relationship between percent discount and percent of change?

Back

Percent discount is a specific application of percent of change, where the new value is less than the original value.

Front

If a meal costs $50 and you leave a 15% tip, how do you calculate the tip amount?

Back

Tip Amount = Meal Price x (Tip Percentage / 100) = $50 x 0.15 = $7.50

Front

What is the percent change if a product's price increases from $200 to $250?

Back

Percent Change = ((250 - 200) / 200) x 100 = 25% increase

Front

How do you convert a decimal to a percentage?

Back

Multiply the decimal by 100 and add a percent sign.

Front

What is the original price if a shirt is sold for $30 after a 25% discount?

Back

Original Price = Sale Price / (1 - Discount Rate) = $30 / (1 - 0.25) = $40