A rectangular carpet 2.5m long and 2.4m wide covers 5% of a rectangular floor. Calculate the area of the floor

  • A 30m2
  • B 57m2
  • C 120m2
  • D 225m2
waec 2006mathematics

The correct answer is C. 120m2

Area of carpet = 2.5 x 2.4 = 6

Let F represent the floor

6 = 5% of F

6 = \(\frac{5}{100}\) x F

5F = 6 x 100

F = 6 x \(\frac{100}{5}\)

= 120m2

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