Painting the walls of a room costs rs. 6.50 per m²while painting the

1.	Painting the walls of a room costs rs. 6.50 per m²while painting the ceiling white costs rs.4.50 per m2and laying tiles on the floor costs rs.55 per m². Ifthe room is 12 m by 10 m and 4 m high, how muchwould it cost in all to paint its walls and ceiling andtile the floor?pls say the answer
Answer» Answer: LENGTH of room (l)=12m area of floor =l×b=12×b Total cost of MATTING floor =12×b×3.50=378 42b=378 b=9m Area of WALLS of the room =2H(l+b) =2h(12+9) =42hm 2 Total cost of papering WALK =42h×6.50=1638 273h=1638 h=6m. Step-by-step explanation:

Painting the walls of a room costs rs. 6.50 per m²while painting the ceiling white costs rs.4.50 per m2and laying tiles on the floor costs rs.55 per m². Ifthe room is 12 m by 10 m and 4 m high, how muchwould it cost in all to paint its walls and ceiling andtile the floor?pls say the answer

Answer»

Answer:

LENGTH of room (l)=12m

area of floor =l×b=12×b

Total cost of MATTING floor =12×b×3.50=378

42b=378

b=9m

Area of WALLS of the room =2H(l+b)

=2h(12+9)

=42hm

Total cost of papering WALK =42h×6.50=1638

273h=1638

h=6m.

Step-by-step explanation: