Principal is _____.
The original amount invested
The total amount earned
Interest plus original amount invested
Interest on a loan
Interest is calculated by _____.
Adding the interest rate to the principal
Multiplying the principal by the interest rate
Multiplying the principal by the interest rate and the time
Multiplying the principal by the interest rate and dividing by the time

Question

Principal is _____. 
    The original amount invested
    The total amount earned
    Interest plus original amount invested
    Interest on a loan 
Interest is calculated by _____. 
    Adding the interest rate to the principal
    Multiplying the principal by the interest rate
    Multiplying the principal by the interest rate and the time
    Multiplying the principal by the interest rate and dividing by the time

anonymous · Answer

Principal: The original amount invested

anonymous · Answer

principal is original amount invested
interest is calculated by multiplying principal by interest rate and time and divided by 100 also :P