2025 Module 5 Summative

Front

What is the formula to calculate percent increase?

Back

Percent Increase = ((New Value - Original Value) / Original Value) * 100

Front

What is the formula to calculate percent decrease?

Back

Percent Decrease = ((Original Value - New Value) / Original Value) * 100

Front

What is simple interest?

Back

Simple Interest = Principal × Rate × Time

Front

How do you calculate 125% of a number?

Back

Multiply the number by 1.25.

Front

What does it mean to mark up a price?

Back

To increase the price of a product above its cost.

Front

If a ticket costs $149 and is marked up by 72%, what is the new price?

Back

New Price = Original Price + (Original Price × Markup Percentage) = $149 + ($149 × 0.72) = $256.28

Front

What is the percent change when the original amount is 10 and the new amount is 12?

Back

Percent Change = ((12 - 10) / 10) * 100 = 20%.

Front

How do you find the percent decrease from $80 to $64?

Back

Percent Decrease = ((80 - 64) / 80) * 100 = 20%.

Front

What is the principal in a simple interest calculation?

Back

The principal is the initial amount of money deposited or borrowed.

Front

What is the rate in a simple interest calculation?

Back

The rate is the percentage of interest charged or earned on the principal.