Percent Increase, Decrease: Equation

Front

What is the formula to calculate the final price after a percent increase?

Back

Final Price = Original Price × (1 + Percent Increase)

Front

What is the formula to calculate the final price after a percent decrease?

Back

Final Price = Original Price × (1 - Percent Decrease)

Front

If an item costs $100 and increases by 20%, what is the final price?

Back

Final Price = 100 × 1.20 = $120

Front

If an item costs $50 and decreases by 10%, what is the final price?

Back

Final Price = 50 × 0.90 = $45

Front

What does a 25% increase mean in terms of the original price?

Back

A 25% increase means the final price is 125% of the original price.

Front

What does a 15% decrease mean in terms of the original price?

Back

A 15% decrease means the final price is 85% of the original price.

Front

How do you express a 30% increase in decimal form?

Back

30% increase in decimal form is 0.30.

Front

How do you express a 5% decrease in decimal form?

Back

5% decrease in decimal form is 0.05.

Front

If a shirt originally costs $40 and is on sale for 20% off, what is the sale price?

Back

Sale Price = 40 × 0.80 = $32

Front

If a bike costs $200 and you have a coupon for 15% off, what is the final price?

Back

Final Price = 200 × 0.85 = $170