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JSS2: MATHEMATICS - 1ST TERM

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  1. Properties of Whole Numbers I
    4 Topics
    |
    1 Quiz
  2. Properties of Whole Numbers II
    4 Topics
    |
    1 Quiz
  3. Properties of Whole Numbers III
    5 Topics
    |
    1 Quiz
  4. Indices
    2 Topics
    |
    1 Quiz
  5. Laws of Indices
    5 Topics
    |
    1 Quiz
  6. Whole Numbers & Decimal Numbers
    4 Topics
    |
    1 Quiz
  7. Standard Form
    3 Topics
    |
    1 Quiz
  8. Significant Figures (S.F)
    4 Topics
    |
    1 Quiz
  9. Fractions, Ratios, Proportions & Percentages I
    6 Topics
    |
    1 Quiz
  10. Fractions, Ratios, Proportions & Percentages II
    4 Topics
    |
    1 Quiz
  11. Fractions, Ratios, Proportions & Percentages III
    3 Topics
    |
    1 Quiz
  12. Approximation & Estimation
    1 Topic
    |
    1 Quiz
  • excellence
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Topic Content:

  • Inverse Proportion
  • End of Lesson Evaluation Questions

What is Inverse Proportion?

Two quantities are in inverse proportion if one increases and the other decreases at the same rate.

Worked Example 11.3.1:

35 workers can build a house in 16 days. How many days will it take 28 workers working at the same rate to build the same house?

Solution

1. Let x represent the 

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