Best Answer

Assuming simple interest, the formula is Interest = Principal x Time x Rate/100, in this case the interest would be 30% of the original investment.

If the interest is compounded yearly the the formula is Principal x (1 + Rate/100)^Time so that the new total would be (1 + 0.1)^3 ie 1.331 times the original investment, a total of 33.1% interest.

Q: If the interest is 10 per annum for 3 three years how do you do the math for the total?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

It depends on whether the 4% interest is per annum or for 8 years altogether. Also, you have to see if it is a simple interest or compounded interest.

5 years

If the 3% is "simple" interest, then the $100 earns an extra $18 in 6 years. If the interest is compounded yearly, then it earns $19.41 extra. If the interest is compounded weekly, then it earns $19.72 extra.

simple interst is when you earn interest from your principal but compound interest is when you earn interest from your principal as well as from your previous interest

7% simple annual interest over 2 years = 14% total interest.14% of R528 = R73.92 .

Related questions

In 2.54 years the compound interest will amount to 282.39 in both cases.

$494.34 Interest= principal amount * time* simple interest %

It depends on whether the 4% interest is per annum or for 8 years altogether. Also, you have to see if it is a simple interest or compounded interest.

Assuming simple interest, you multiply the capital times the interest rate times the number of years.

Rs 80.

P.C.P.A. is the "Percent Compounded Per Annum." This measurement is used when trying to determine the compound interest for previous years.

5 years

It is 41575.40

30 years

120

3

If the 3% is "simple" interest, then the $100 earns an extra $18 in 6 years. If the interest is compounded yearly, then it earns $19.41 extra. If the interest is compounded weekly, then it earns $19.72 extra.