Ten > Area and Volume

Asked by Basanta · 1 year ago

The length, breadth and height of a rectangular room are 13ft, 12ft, and 10ft respectively. There are 2 windows of size 3ft×4ft and a door of size 3ft×6ft.

1. How much does it cost to paint four walls and celling excluding door and windows at the rate of Rs. 40 per square ft? Find it.
2. By how much will the total cost of painting the same parts of the room be increased if the rate of cost per square feet is increased by 25%? Find it.