Find the cost of white washing a 70 cm long and 12 m high wall if the cost of white
washing 1.sq.m is Rs 10.00
Answers
Answer:The cost would be 5150 rupees.
Step-by-step explanation:
Given,
Length of room, l = 10 meters,
Width, w = 6 meters,
Height, h = 4 meters,
So, the area of the walls of room ( i.e. area of room except base areas ),
A = 2lh + 2wh
A = 2 × 10 × 4 + 2 × 6 × 4
A = 80 + 48
A = 128 sq meters,
∵ we have to paint the wall after allowing 25 sq m for door, windows, etc.
So, the area of wall that have to paint = A - 25
= 128 - 25
= 103 sq m,
∵ Cost of painting = 50 per sq m,
Hence, total cost of painting = area to paint × cost of painting per sq m
= 103 × 50
= 5150 rupees.
Step-by-step explanation:
Answer:
Step-by-step explanation:
The cost would be 5150 rupees.
Step-by-step explanation:
Given,
Length of room, l = 10 meters,
Width, w = 6 meters,
Height, h = 4 meters,
So, the area of the walls of room ( i.e. area of room except base areas ),
A = 2lh + 2wh
A = 2 × 10 × 4 + 2 × 6 × 4
A = 80 + 48
A = 128 sq meters,
∵ we have to paint the wall after allowing 25 sq m for door, windows, etc.
So, the area of wall that have to paint = A - 25
= 128 - 25
= 103 sq m,
∵ Cost of painting = 50 per sq m,
Hence, total cost of painting = area to paint × cost of painting per sq m
= 103 × 50
= 5150 rupees.