waecmaths question:
Four oranges sell for Nx and three mangoes sell for Ny. Olu brought 24 oranges and 12 mangoes. How much did he pay in terms of x and y
Option A:
N(4x + 6y)
Option B:
N (6x +4y)
Option C:
N(24x +12y)
Option D:
N(12x +24y)
waecmaths solution:
$\begin{align} & 4\text{ oranges cost }Nx \\ & \text{24 oranges will cost }\frac{Nx}{4}\times 24=N6x \\ & \text{3 mangoes cost }Ny \\ & \text{12 mangoes will cost }\frac{Ny}{3}\times 12=N4y \\ & \text{The amount paid is }N(6x+4y) \\ \end{align}$
maths year:
maths topics: