SOLUTION: The dimensions of a classroom are 10 m, 8 m and 5 m.the cost of decorating it's walls by a wallpaper of 1 m width and which costs rs.50 per meter is -----?

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: The dimensions of a classroom are 10 m, 8 m and 5 m.the cost of decorating it's walls by a wallpaper of 1 m width and which costs rs.50 per meter is -----?      Log On

 

Hi,

.

Surface Area(walls) = 2(10m•5m) + 2(8m•5m) = 180m^2

1m•180m = 180m^2

rs.50*180 = rs90