Principal Amount Formula In Maths
R 2 5 2 2 5 n 18 months 18 12 3 2.
Principal amount formula in maths. 1 what sum will become 9826 in 18 months if the rate of interest is 2 p a. This too can be altered to. Let a 1 a 2 a 3 a n be a set of numbers average a 1 a 2 a 3 a n n. Formula to calculate principal amount from compound interest here is the formula for finding the compound interest p a 1 r n nt p principal amount initial investment.
For finding principal we use the same formula of amount as a p 1 r n where p principal r rate in percent examples. Principal amount is also used in the compound interest formula which is. Find here a comprehensive list of basic math formulas commonly used when doing basic math computation. And the interest is compounded half yearly.
For the above calculation you have 4 500 00 to invest or borrow with a rate of 9 5 percent for a six year period of time. Let the principal be p. When you know the principal amount the rate and the time the amount of interest can be calculated by using the formula. Year 9 interactive maths second edition.
How to calculate the unknown principal amount of money when the simple interest. Calculate the amount of money that would earn 750 simple interest if invested at 4 5 p a. Alex borrows 1 000 from the bank. This debt could be for a car a credit card a mortgage or anything else that could be financed.
A p 1 r n nt. In the financial world principal is asssociated with anything that earns interest like a savings account or accrues debt like a credit card or car loan debt that needs to be repaid. So the amount. Principal amount is the original amount of money the amount before any interest is applied.
The principal of the loan is 1 000. Calculating the principal example 16.