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SS3: MATHEMATICS - 2ND TERM

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  1. Matrices I | Week 1
    6 Topics
  2. Matrices II | Week 2
    1 Topic
    |
    1 Quiz
  3. Commercial Arithmetic | Week 3
    7 Topics
    |
    1 Quiz
  4. Coordinate Geometry | Week 4
    8 Topics
    |
    1 Quiz
  5. Differentiation of Algebraic Expressions | Week 5 & 6
    7 Topics
  6. Application of Differentiation | Week 7
    4 Topics
    |
    1 Quiz
  7. Integration | Week 8
    8 Topics
    |
    1 Quiz



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The addition of the principal and the interest for the period(i.e years) is called the amount at the end of that time. Therefore 

Amount = Principal + Interest

Example

Calculate the principal which amounts to #4970in 10 years at 4% per annum

Solution

Simple interest for 1year is 4% of principal

S.I for 10years = 10 × 4 = 40%

Amount = 100 + 40% of the principal

140% = 4970

Principal = \( \frac{100}{140} \scriptsize \; \times \; 4970 \)

Principal = #3550.00

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