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Sunday, September 9, 2012

7th & 8th GRADE : INTEREST

8th Grade check Lesson 1-3B

7th Grade check Lesson 6-3E

Formula:


P= Is the principal of Money




Interest is the amount of money paid or earn for the use of money.











I= Is the Interest
P= Is the Money
r= Is the percent rate
t= Is the time

Check this Tutorial to see how simple interest is solved

Click here to see a real life problem involving Simple Interest

This tutorial  will show you when "time" is given in months and not in years.


You can also check this video



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Compound Interest is paid on the initial principal and on the interest gained.




Check this Tutorial --->
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