What is compound interest
2 answers:
Answer:
The best and easily understandable definition of compound interest is the interest which is calculated on the initial principal amount (starting deposit amount) and also on the earned interest of previous periods. The interest is always added to the previous principal to make a new principal for current period. The formula for the compound interest is =
Here, P is principal
r = rate at which interest is calculated
n = number of times interest is compounded in a year
t = number of years for which one has to calculate the compound interest.
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Answer:
x =
Step-by-step explanation:
Given
9 - 3x = 7 ( subtract 9 from both sides )
- 3x = - 2 (divide both sides by - 3 )
x = =
Answer:
The number of students who liked the book was 64.
Step-by-step explanation:
After reading a book for English class, 100 students were asked whether or not they enjoyed it.
Now, given that nine twenty-fifths of the class did not like the book.
So, of the whole class did not like the book.
Then, the fraction of the class who did like the book was .
Therefore, the number of students who liked the book was . (Answer)