A rectangular carpet 2.5m long and 2.4m wide covers 5% of a rectangular floor. Calculate
MATHEMATICS
WAEC 2006
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
Correct Answer: C. 120m2
Explanation
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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