A rectangular swimming pool 8 m long and 5 m wide has a 0.5 m wide path around it.
(II) FIND THE COST OF COVERING THE PATH WITH SLATE AT rs 32 per $m^{2} .$

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Solution

Area of path $= l^{'} b^{'} - l b$
$= a \times 6 - 8 \times 5$
$= 14 m^{2}$
Cost $= 32 \times 14$
$= 448$ Rs.

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A rectangular swimming pool 8 m long and 5 m wide has a 0.5 m wide path around it. (II) FIND THE COST OF COVERING THE PATH WITH SLATE AT rs 32 per m2.

Area of path =l′b′−lb=a×6−8×5=14m2Cost =32×14=448 Rs.

A rectangular swimming pool 8 m long and 5 m wide has a 0.5 m wide path around it.
(II) FIND THE COST OF COVERING THE PATH WITH SLATE AT rs 32 per $m^{2} .$

Area of path $= l^{'} b^{'} - l b$
$= a \times 6 - 8 \times 5$
$= 14 m^{2}$
Cost $= 32 \times 14$
$= 448$ Rs.