Percentage review

What is the relationship between fractions and percentages?

• Fractions can be converted to percentages by dividing the numerator by the denominator and multiplying by 100.

• Fractions are always larger than percentages.

• Fractions and percentages are completely unrelated concepts.

• Fractions can only be converted to percentages by adding the numerator and denominator.

If a shirt costs $50 and is discounted by 10%, what is the new price?

• $40

• $45

• $50

• $55

How do you convert a decimal to a percentage?

• Multiply the decimal by 100.

• Add 100 to the decimal.

• Divide the decimal by 100.

• Subtract 100 from the decimal.

How can percentages be used in real life?

• Calculating discounts

• Measuring temperature

• Determining time zones

• Estimating distances

How do you calculate a percentage of a number?

• Multiply the number by the percentage in decimal form.

• Add the percentage to the number.

• Divide the number by the percentage.

• Subtract the percentage from the number.

What is a 'markup' in terms of percentage?

• The total cost of goods sold expressed as a percentage.

• The amount added to the cost price of goods to cover overhead and profit, expressed as a percentage of the cost price.

• The percentage of profit made on the sale of goods after all expenses.

• The discount offered on the retail price of goods.

What is a percentage?

• A way of expressing a number as a fraction of 100.

• A method for calculating interest rates.

• A type of mathematical operation involving addition.

• A unit of measurement for weight.

What does a 10% discount mean?

• A 10% discount means that the price is reduced by 10 out of every 100 units of currency.

• A 10% discount means that the price is increased by 10 out of every 100 units of currency.

• A 10% discount means that the item is free if you buy ten of them.

• A 10% discount means that you pay 10% more than the original price.

If a jacket originally costs $80 and is on sale for 25% off, what is the sale price?

• $60

• $70

• $75

• $50

What does it mean to find the 'percent increase'?

• It measures the total amount of a quantity without considering its original value.

• It measures how much a quantity has decreased compared to its original amount.

• Percent increase measures how much a quantity has grown compared to its original amount, calculated as: ((New Value - Original Value) / Original Value) x 100.

• It measures the average value of a quantity over a specific period.