10-Finance-Simple interest

What is simple interest calculated on?

• The final amount after interest is added.

• The original principal only.

• The interest rate per time period.

• The total time period of the investment.

What is the simple interest earned on an investment of $25,000 for 5 years at an annual interest rate of 4.6%?

• $1260

• $5040

• $5750

• $3500

An investment of $3000 is made for 125 days at an annual interest rate of 3%. What is the simple interest earned? (Assume 365 days in a year)

• $50.40

• $30.82

• $12.60

• $25.20

How many years will it take for an investment of $4200 to earn $200 in simple interest if the annual interest rate is 2.5%?

• 1.5 years

• 2.0 years

• 1.9 years

• 2.5 years