Painting the walls of a room costs rs. 6.50 per m²
while painting the ceiling white costs rs.4.50 per m2
and laying tiles on the floor costs rs.55 per m². If
the room is 12 m by 10 m and 4 m high, how much
would it cost in all to paint its walls and ceiling and
tile the floor?
pls say the answer
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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:
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