RoundingRound to the nearest whole number 3.46

Round to the nearest cent $19.9357

Round to the nearest tenth 257.99

Round to the nearest dollar $14.13

Round to the nearest hundredth 0.9912

Round to the nearest thousandth 17.6295

3$19.94258$14.000.9917.630

Simple InterestLesson 8-6Solve problems involving simple interest.

Simple InterestWhat is interest?? Words to know:Simple Interest- the amount paid or earned for the use of money.Principal- the amount of money deposited or invested.

Simple InterestTo find simple interest we use the following formula:

I = prtInterestPrincipalInterest rate written as a decimalThe amount of time the money is invested or borrowed (years)

Find the interest earnedRay has $750 in a savings account that pays 3% simple interest. How much interest will he earn in 4 years?I = 750 x 3% x 4Ray will earn $90 interest in 4 years.

Find the interest paidCory borrows $1,200 from the bank for a riding lawn mower. The interest rate is 8% per year. How much simple interest will he pay if he takes 2 years to repay the loan?I = 1,200 x 8% x 2Cory will pay $192 interest in 2 years.

Find the interest earned. Kates bank offered 4% simple interest on her deposit. She has $1,500 to invest. How much interest will she earn in 30 months?30 months is how many years? 30/12 = 2.5 yearsI = 1,500 x 4% x 2.5Kate will earn $150 interest in 30 months.

Find the total paidHenry charged $600 TV on his credit card with an interest rate of 21%. How much money will he owe after 9 months. 9 months is how many years? 9/12 = .75 yearsI = 600 x 21% x .75= $94.50 interestAmount paid $600 + $94.50 = $694.50

Try theseAllison charged a $30 handbag on her credit card with an interest rate of 8%. How much money would she pay after 6 months?

Marcus has $1,800 dollars from his summer job to invest. If he invest in a savings for 3 years at a rate of 5.25%. How much interest will he earn?$31.20$283.50

Practice / HomeworkComplete page 584 lesson 8-6 # 2- 12 evens

Homework: Lesson 8-6 # 1-16 all