SIMPLE INTEREST

VOCABULARY

100

what does "t" represent when you find the interest owed when you borrow money

The amount of time money is borrowed

200

What is the amount paid or earned for the use of money

Simple interest or interest

300

the amount of money deposited or invested

The principal

400

annual interest rate written as a percentage or decimal.

The rate

WORD PROBLEMS

100

Emilio's father 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 if he takes 2 years to repay the loan?

What is $192 in interest in 2 years?

200

Raini has $750 in a savings account that pays 3% simple interest. How much interest will he earn in 9 months?

What is about 16.88

300

* Cory charged a $600 TV on his credit card with an interst rate of 21%. If he has no other charges on the card, how much will he owe after one month?

What is $610.50?

400

*Marcus has $1,800 from his summer job to invest. Suppose he invests the $1,800 for 2 years and earns $144. What is the rate of interst?

What is 4%?

EQUATIONS

100

$1050 4.6% 2 years

What is $96.60 in 2 years

200

$250, 2.85%, 3 years

What is $21.380 in 3 years?

300

$500, 3.75% 1 year

What is $18.75 in 1 year?

400

$3,000, 5.5%, 2 years

What is $330 in 2 years

PERCENT TO DECIMAL

100

change 69% to a decimal

What is 0.69

200

change 1.5% to a decimal

What is .015

300

change 2.85% to a decimal

What is 0.0285

400

change 6 6/12% to a decimal

What is 0.065

PARTY MIX

100

1,000 x 87 x C = 174000 What is C

What is C = 2

200

A sound system has a regular price of $249. Find the total cost if it is on sale for 50% off and the sales tax is 5.75%.

What is $131.66

300

Multiple Choice. A baseball cap at the mall costs $14.95. It is on sale for 30% off. What is the sale price to the nearest cent? A)$4.49 B)$10.47 C)$10.50 D)$10.65

What is B)$10.47

400

What does I=prt stand for?

What is Simple interest=pricipal x rate(decimal) x time (years)