Topic 4 Flashcard Retake

Front

What is the formula to calculate percentage increase?

Back

Percentage Increase = ((New Price - Old Price) / Old Price) * 100

Front

How do you calculate simple interest?

Back

Simple Interest = Principal * Interest Rate * Time

Front

What is 5% of a number?

Back

To find 5% of a number, multiply the number by 0.05.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100.

Front

What is the formula for calculating percent grade?

Back

Percent Grade = (Points Earned / Total Points) * 100

Front

If a gadget's price increases from $80 to $100, what is the percentage increase?

Back

The percentage increase is 25%.

Front

What is the interest earned on a principal of $800 at an interest rate of 3.5% for 6 months?

Back

The interest earned is $14.

Front

How do you find the total amount after interest is applied?

Back

Total Amount = Principal + Interest Earned

Front

What is the interest earned on a principal of $500 at an interest rate of 4% for 2 years?

Back

The interest earned is $80.

Front

How do you calculate the total amount of a loan after interest?

Back

Total Amount = Principal + (Principal * Interest Rate * Time)