Formula
Finding Interest
Vocabulary
Finding the Total
100

What is the formula for simple interest?

I=P x R x T

100

Find the simple interest paid
Principal $300, Rate 6%, Time 4 years

$72

100

What is simple interest?

The money added to the principal

100

What is the total amount owed on $2,000 if borrowed for 7 years at 6%?

$2840

200

What does the I stand for in the simple interest formula?

Interest

200

An initial deposit of $5000 is deposited into a savings account with a 7% rate. How much money is earned in interest at the end of 5 years?

$1750

200

In bank loans, what is the principal amount?

The original amount borrowed

200

Calculate the TOTAL:

Principal = $400

Rate = 7%

Time = 4 years


$512

300

What does the P stand for in the simple interest formula?

Principal

300

Gina deposits $150 into an account that offers 5% interest. What would she earn in interest after 6 years?

$90

300

A rate, number, or amount out of 100 is called a what?

Percentage

300

Debbie borrows $1,000,000 for real estate development and makes annual interest only payment for 3 years at a rate of 7.5% per year. What is her total payment over the 3 year period?

$1,022,5000

400

What does the R stand for in the simple interest formula and how is it expressed?

Interest rate expressed as a percent

400

How much interest is earned in five(5) years on $3,000 invested at an interest rate of 9% per year?

$1350

400

Any number in our base-ten number system and is represented using a point to separate the ones place from the tenths place.

A decimal.

400

Principal = $750 

Rate = 9.5%

T = 8 years

TOTAL?

$1320

500

What does the T stand for in the simple interest formula and how is it expressed?

Time expressed in years

500

Principal = $350

Rate = 8%

Time = 2 years

Interest?

$56

500

A student borrowed $6000 from his father at 2% simple interest to buy a car. How much did he borrow in total after 3 years?

$6360