eLearing Lesson Day 2: Finding Percentages of a Quantity

Front

What is the formula to calculate the total cost including sales tax?

Back

Total Cost = Original Price + (Original Price × Sales Tax Rate)

Front

How do you calculate the percentage of a quantity?

Back

Percentage of a Quantity = (Percentage Rate / 100) × Total Quantity

Front

What is depreciation in the context of asset value?

Back

Depreciation is the reduction in the value of an asset over time, often due to wear and tear or obsolescence.

Front

How do you calculate the value of an asset after depreciation?

Back

Value after Depreciation = Original Value - (Original Value × Depreciation Rate)

Front

What is a discount in retail terms?

Back

A discount is a reduction in the price of a product or service, usually expressed as a percentage of the original price.

Front

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

Back

Final Price = Original Price - (Original Price × Discount Rate)

Front

What does it mean for a product to have '40% less calories'?

Back

It means the product contains 40% of the calories of the original product, calculated as: New Calories = Original Calories × (1 - 0.40)

Front

If a product costs $100 and has a 5% sales tax, what is the total cost?

Back

Total Cost = $100 + ($100 × 0.05) = $105.

Front

What is the relationship between percentage and fractions?

Back

A percentage is a fraction out of 100. For example, 25% is equivalent to 25/100 or 1/4.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100. For example, 25% = 25 ÷ 100 = 0.25.