Question

how many meter of carpet 75 cm wide will be required to cover the floor of a room which 12 m and 8 m wide

Answer 1

Area of room
$l \times b$
Area of carpet
$l \times b$
Area of room = 12×8
= 96 meters²
= 9600 cm²
Area of carpet = 75 × x
= 75x cm²
A. T. Q
75x = 9600
x = 9600/75
x = 128 cm

Now, we got its length and breadth i.e. 128 cm and 75 cm
128 cm and 75 cm into m
128+75 cm
203 cm
203/100
2.3 meters