To find Cost of Painting or Tilling when Area and Cost per Unit is given
To find cost of painting or tilling when area and cost per unit is given are discussed here.
To find the cost, find the area and multiply it by cost per sq. unit. For Example: ● Area. To find Area of a Rectangle when Length and Breadth are of Different Units. To find Length or Breadth when Area of a Rectangle is given. To find Cost of Painting or Tilling when Area and Cost per Unit is given. To find the Number of Bricks or Tiles when Area of Path and Brick is given. Word Problems on Area of a Rectangle Word Problems on Area of a Square Worksheet on Area of a Square and Rectangle Worksheet on Area of Regular Figures Didn't find what you were looking for? Or want to know more information
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Cost of tiling or painting = area × cost per square unit
1. Find the cost of painting a wall of length 80 m and breadth 15 m at the rate of $ 4 per sq. m.
Solution:
Area of wall = length × breadth
Here, length = 80 m and breadth = 15 m.
= 80 × 15 sq. m.
= 1200 sq. m.
Therefore, painting the wall = area × cost per square unit.
Given, rate = $ 4 per sq. m.
= 1200 × 4
= $ 4800.
2. Find the cost of painting a house of length 160 m and breadth 120 m at the rate of $ 5 per sq. m.
Solution:
Area of wall = length × breadth
Here, length = 160 m and breadth = 120 m.
= 160 × 120 sq. m.
= 19200 sq. m.
Therefore, painting the wall = area × cost per square unit.
Given, rate = $ 5 per sq. m.
= 19200 × 5
= $ 3840.
5th Grade Geometry
5th Grade Math Problems
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