simple interest simple interest is the amount paid for the use of money
TRANSCRIPT
SIMPLE INTEREST
Simple interest is the amount
paid for the use of money.
FORMULA
I=PRT
INTEREST EQUALS
• PRINCIPAL - the amount of money invested or borrowed
• RATE - in the annual interest
• TIME - in years
SAVINGS ACCOUNT
• You can also use the formula to find the simple interest when you deposit money in a savings account
INVESTING• Angie has $500 in a savings
account that pays 5% simple interest.
• How much interest will she earn in 2 years?
• How much interest will she earn if she withdraws the money after 9 months?
HOME IMPROVEMENT
• If you borrow $5,000 at 11.5% for 3 years to make home repairs and improvements. How much will you have to pay back, including interest?
DISCOUNT & SALES TAX
–WHEN AM I EVER GOING TO USE THIS?
–Knowing how to calculate discounts and sales tax will help you determine how much money you’re actually spending when you shop.
MONEY MATTERS
• A $53 racquet at Sports Galore is on sale for 20% off the regular price.
• What is the amount of the discount?
• What is the sale price ?
PERCENT OF CHANGE• When shopping for
roses the originally cost was $36 dollars before Valentines Day is now on sale for $18 dollars.
• What is the percent of decrease of the roses?
Created By:Lynn Husen & Pat Layton
Maury Middle
Dandridge, TN