what does "t" represent when you find the interest owed when you borrow money
Time
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?
$192
the amount paid or earned for the use of money
simple interest
Raini has $750 in a savings account that pays 3% simple interest. How much interest will he earn in 9 months?
16.88
the amount of money deposited or invested
principal
Cory charged a $600 TV on his credit card with an interest rate of 21%. If he has no other charges on the card, how much will he owe after one year?
126
`annual interest rate written as a decimal
rate
*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%?