Question

How many blocks, each 25 cm long and 12 cm wide, will be required to
lay a path 12.5 m long and 4.8 m wide?​

Answer 1

Answer: There are 2000 blocks which will be required to lay path.

Step-by-step explanation:

Since we have given that

Length of path = 12.5 m

Width of path = 4.8 m

So, Area of path is given by

\begin{lgathered}Area=Length\times Breadth\\\\Area=12.5\times 4.8\\\\Area=60\ m^2\end{lgathered}

Area=Length×Breadth

Area=12.5×4.8

Area=60 m

2

Now, Length of each block = 25 cm = 0.25 m

Width of each block = 12 cm = 0.12 m

So, Area of each block is given by

Area=0.25\times 0.12=0.03\ m^2Area=0.25×0.12=0.03 m

2

So, Number of blocks is given by

\begin{lgathered}\frac{\text{ Area of path}}{\text{ Area of block}}\\\\=\frac{60}{0.03}\\\\=2000\end{lgathered}

Area of block

Area of path

=

0.03

60

=2000

Hence, there are 2000 blocks which will be required to lay path.

Hope it helps you