SOLUTION: A door of length 2 m and breadth 1 m is fitted in a wall. The length of the wall is 4.5 m and breadth is 3.6 m. Find the cost of white washing the wall, if the rate of white washin

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: A door of length 2 m and breadth 1 m is fitted in a wall. The length of the wall is 4.5 m and breadth is 3.6 m. Find the cost of white washing the wall, if the rate of white washin      Log On

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Question 161970: A door of length 2 m and breadth 1 m is fitted in a wall. The length of the wall is 4.5 m and breadth is 3.6 m. Find the cost of white washing the wall, if the rate of white washing the wall is rs 20 per m2
Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!

Since dimensions of the wall is given and only the wall needs to be white washed,then get AREA of the wall times the rate.
A%5Bw%5D=L%2AW=4.5m%2A3.6m=16.2m%5E2
Cost=Area%2ARate
C=%2816.2cross%28m%5E2%29%29%2A%2820rs%2Fcross%28m%5E2%29%29
C=324rs ANSWER
Thank you,
Jojo