Simple Interest
Calculate Interest
Formulas
Compound Interest
100

Find the interest on a loan of $3,000 with an interest rate of 7% after 1 year.

$210

100

Principal: $300 

Rate: 8% 

Time: 2 years

$48

100

The rate usually is given as a _____ and converted into a _____.

Percentage, decimal

100

You deposit $2,000 in a savings account at Hometown bank, which has a rate of 6%. Find the value of the deposit at the end of the first year when compounded annually.

$2,120

200

Find the interest on a loan of $3,000 with an interest rate of 4% after 3 years.

$360

200

Principal: $80,000

Rate: 6% 

Time: 2 years

$9,600

200

What is the simple interest formula?

i=Prt

OR

i=(PRt)/100

200

A man invests $10, 000 in an account that pays 8.5% interest per year, compounded quarterly. What is the amount of money that he will have after 3 years?

$12,870.19 

300

A student took out a simple interest loan for $1,800 for two years at a rate of 8% to purchase a used car. what is the interest on the loan?

$288

300

Principal: $830 

Rate: 3% 

Time: 4.3 years

$107.07

300

If a deposit is compounded quarterly, how many times is it compounded per year?

4

300

Interest Rate: 2% 

Starting Balance: $128 

Time Passed: 7 years

Compounded annually

$147.03

400

A loan of $1060 has been made at 6.5% for three years. Find the loans future value.

$1,266.70

400

Principal: $1,160 

Rate: 7.2% 

Time: 270 days (Hint: 't' has to be in terms of years, there are 365 days in one year)

$62.64

400

The variable 't' stands for ____ and is given in terms of the number of _______.

Time, years

400

Principal: $18,800 

Time: 4 years 

Compounded semiannually

Rate: 5.3%

$23,175.52

500

A loan of $ 2040 has been made at 7.5% for 6 months. Find the loans future value.

$2116.50

500

Principal: $391,000 

Rate: 5% 

Time: 300 days (Hint: 't' has to be in terms of years, there are 365 days in one year)

$16,226.50

500

What is the definition of interest?

The rate at which a deposit/loan will gain value over time

500

Interest Rate: 7% annually Starting Balance: $131 Time Passed: 7 years

$210.36

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