Section outline

    • Important formulas:

      1. Per cent (%) = Per hundred

      2. Fractional numbers to percentage: multiply the fraction by 100.

      3. Decimal numbers to percentage: multiply the fraction by 100.

      4.

      5. Profit = SP (selling price) - CP (cost price)

      6. Profit percent = \( \frac{Profit}{CP} \) x 100

      7. Loss = CP (cost price) - SP (selling price)

      8. Loss percent = \( \frac{Loss}{CP} \) x 100

      9. I = \( \frac{P \times R \times T }{100} \)

         Where: I is Simple Interest, P is Principal amount, R is rate of interest & T is time.

      10. Amount = P + I