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The width of a wall is 22m and its height is 3.5m How many bricks of length 22cm and width is 7 cm can make a single wall?
Wiki User
∙ 11y ago
Width = 22m
Height = 3.5m
--- Convert both of these into cm to convert into same units
Width = 22 x 100
= 2200cm
Height = 3.5 x 100
= 350cm
Next find the area of the wall
---Area of rectangle = height x width
Area of the wall = 2200 x 350
= 770,000 sq. cm
Now for the bricks
Length = 22cm
Width = 7cm
Area = 22 x 7
= 154 sq.cm
To find the number of bricks needed we have to divide the area of the wall with the area of one brick
770,000 / 154
=5000
Therefore 5000 bricks are needed to make a single wall
Wiki User
∙ 11y ago
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