Bell Ringer 12/2/2024

Front

What is the formula to calculate a percentage of a number?

Back

To calculate a percentage of a number, use the formula: (Percentage / 100) * Total Number.

Front

How do you find what percentage one number is of another?

Back

To find what percentage one number (Part) is of another number (Whole), use the formula: (Part / Whole) * 100.

Front

What is 60% of 150?

Back

90

Front

What is 10 percent of 450?

Back

45

Front

The number 50 is 5 percent of what number?

Back

1000

Front

How do you calculate a tip based on a percentage?

Back

To calculate a tip, multiply the total bill by the tip percentage (as a decimal). For example, for a 23% tip on a $27.31 bill: 27.31 * 0.23 = $6.28.

Front

How do you calculate sales tax on a purchase?

Back

To calculate sales tax, multiply the purchase price by the tax rate (as a decimal). For example, for a $899 TV with a 6.5% tax rate: 899 * 0.065 = $58.43.

Front

What is the formula for calculating the total cost after tax?

Back

Total Cost = Purchase Price + (Purchase Price * Tax Rate).

Front

If a bill is $50 and you want to leave a 20% tip, how much do you leave?

Back

$10 (20% of $50 is $10).

Front

What is the relationship between percentages and fractions?

Back