The outer dimensions of a closed wooden box are `10 c m\ ` by `8c m\ ` by `7c mdot` Thickness of the wood is `1c mdot` Find the total cost of wood required to make box if `1\ c m^3` of wood costs `R s\ 2. 00`

Explanation

The outer dimension of Closed window is `10cm,8cm,7cm`
Width of wooden box is` 1cm`
The inner dimensions are given by `8cm,6cm,5cm`
The volume occupied by Wooden box is given by Volume of box with outer dimensions - Volume of box with inner dimensions
`10xx8 xx 7 - 8 xx 6 xx 5`
`=560 - 240`
`320cm^3 `
Cost of `1cm^3` is` 2Rs.`
Cost of `320cm^3 is 2 × 320 = 640`Rs.