Rounding 3 n Round to the nearest whole

Rounding 3 n Round to the nearest whole number 3. 46 n Round to the nearest cent $19. 9357 $19. 94 n Round to the nearest tenth 257. 99 n Round to the nearest dollar $14. 13 $14. 00 n Round to the nearest hundredth 0. 9912 0. 99 n Round to the nearest thousandth 17. 6295 258 17. 630

Simple Interest Lesson 8 -6 Solve problems involving simple interest.

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

Simple Interest n To find simple interest we use the following formula: I = prt Interest Principal Interest rate written as a decimal The amount of time the money is invested or borrowed (years)

Find the interest earned n Ray 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 4 Ray will earn $90 interest in 4 years.

Find the interest paid n Cory 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 2 Cory will pay $192 interest in 2 years.

Find the interest earned. n Kate’s 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 years I = 1, 500 x 4% x 2. 5 Kate will earn $150 interest in 30 months.

Find the total paid n Henry charged $600 TV on his credit card with an interest rate of 21%. How much money will he owe after 9 months is how many years? 9/12 =. 75 years I = 600 x 21% x. 75 = $94. 50 interest Amount paid $600 + $94. 50 = $694. 50

Try these n Allison charged a $30 handbag on her credit card with an interest rate of 8%. How much money would she pay after 6 months? $31. 20 n 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? $283. 50

Practice / Homework n Complete evens page 584 lesson 8 -6 # 2 - 12 n Homework: Lesson 8 -6 # 1 -16 all