Multi-Step Percent Applications

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 the percent of a number?

Back

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

Tags

CCSS.6.RP.A.3C

Front

What is the formula for calculating simple interest?

Back

The formula for calculating simple interest is I = PRT, where I is interest, P is principal amount, R is rate (as a decimal), and T is time in years.

Tags

CCSS.7.RP.A.3

Front

If a product is marked down by a certain percent, how do you find the sale price?

Back

To find the sale price, subtract the discount amount from the original price. Discount amount = Original Price * (Discount Percent / 100).

Tags

CCSS.6.RP.A.3C

Front

What is the original price if an item is sold for $75 after a 25% discount?

Back

Original Price = Sale Price / (1 - Discount Rate). So, Original Price = 75 / (1 - 0.25) = $100.

Tags

CCSS.6.RP.A.3C

Front

How do you find the total earnings from commission?

Back

Total earnings from commission = (Sales Amount * Commission Rate) + Fixed Salary.

Tags

CCSS.7.EE.B.3

Front

What is the relationship between the original price, sale price, and discount?

Back

The sale price is equal to the original price minus the discount. Sale Price = Original Price - Discount.

Tags

CCSS.6.RP.A.3C

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 45% = 45 / 100 = 0.45.

Front

If a car costs $20,000 and depreciates by 15% in a year, what is its value after one year?

Back

Value after one year = Original Price - (Original Price * Depreciation Rate). So, Value = 20000 - (20000 * 0.15) = $17,000.

Tags

CCSS.6.RP.A.3C

Front

What is the formula to find the percent increase?

Back

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

Tags

CCSS.6.RP.A.3C