Question 45

waecmaths question: 

A rectangular carpet 2.6m long and 2.4 wide covers 5% of rectangular floor. Calculate the area of the floor.

Option A: 

30m2

Option B: 

57m2

Option C: 

120m2­­

Option D: 

225m2

waecmaths solution: 

$\begin{align}  & \text{Area of the carpet}=2.6m\times 2.4m=6.24m \\ & \text{That is 5percent of the area is }6.24{{m}^{2}} \\ & \text{100percent will be }\frac{6.24{{m}^{2}}}{5}\times 100=124.5{{m}^{2}} \\\end{align}$

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