2.6 QC-Grade 7

Front

What is the formula to calculate the percentage decrease in price?

Back

Percentage Decrease = ((Original Price - Sale Price) / Original Price) * 100

Front

How do you calculate the sale price after applying a discount?

Back

Sale Price = Original Price - (Original Price * Discount Percentage)

Front

What is the formula to calculate the percent of change?

Back

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

Front

If an item costs $50 and is on sale for $30, what is the percentage decrease?

Back

Percentage Decrease = ((50 - 30) / 50) * 100 = 40%.

Front

What is the total cost of an item including sales tax?

Back

Total Cost = Item Price + (Item Price * Sales Tax Rate)

Front

If a sweater originally costs $20 and is reduced to $12, what is the percentage reduction?

Back

Percentage Reduction = ((20 - 12) / 20) * 100 = 40%.

Front

How do you find the sale price of an item that is 25% off?

Back

Sale Price = Original Price - (Original Price * 0.25)

Front

What is the sales tax on a $16 backpack if the tax rate is 8.5%?

Back

Sales Tax = 16 * 0.085 = $1.36.

Front

If a stereo is originally priced at $360 and is on sale for $200, what is the percent of change?

Back

Percent of Change = ((200 - 360) / 360) * 100 = -44%.

Front

What does a negative percent of change indicate?

Back

A negative percent of change indicates a decrease in value.