LATE - AMPS Week of 11/3 - 11/10 - Percents

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 * 0.20 = 10.

Front

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

Back

Total Cost = Original Price + (Original Price * Tax Rate). For example, if the original price is $100 and the tax rate is 5%, Total Cost = 100 + (100 * 0.05) = $105.

Front

How do you find the commission earned from a sale?

Back

Commission Earned = Sale Amount * Commission Rate. For example, if the sale amount is $200 and the commission rate is 10%, Commission Earned = 200 * 0.10 = $20.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, 1/4 = 0.25 = 25%.

Front

How do you find the original price before tax?

Back

Original Price = Total Cost / (1 + Tax Rate). For example, if the total cost is $106.50 and the tax rate is 6.5%, Original Price = 106.50 / 1.065 = $100.

Front

What is 19% of 50?

Back

9.5

Front

What is 80% of 625?

Back

500

Front

If you need 14 sticks of pepperoni for 28 pizzas, how many sticks do you need for 36 pizzas?

Back

18 sticks

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100. For example, 0.75 = 75%.