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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.
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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