Algebra 8: Chapter 2B REVIEW (2.6 to 2.10)

Front

What is the formula to calculate percent change?

Back

Percent Change = ((New Value - Old Value) / Old Value) * 100

Front

If the price of gas increased from $1.80 to $2.07, what is the percent increase?

Back

15% increase

Front

What is the formula to calculate simple interest?

Back

Simple Interest = Principal x Rate x Time

Front

If you invest $350 at an interest rate of 2.5% for 3 years, how much interest will you earn?

Back

$26.25

Front

How do you convert inches to centimeters?

Back

Multiply the number of inches by 2.54.

Front

Convert 17 inches to centimeters.

Back

43.15 cm

Front

What is a proportion in mathematics?

Back

A proportion is an equation that states that two ratios are equal.

Front

Back

x = -2

Front

What is the definition of percent increase?

Back

Percent increase measures how much a quantity has grown relative to its original amount.

Front

If Joshua's body temperature increased from 98.5ºF to 101.5ºF, what is the percent increase?

Back

3% increase