Question

The length breadth and height of a room are 5m,4m and 3m respectively.Find the cost of white washing the inner of the room and ceiling at the rate of rs 50 per sq.M

Answer 1

Step-by-step explanation:

area of five walls = 2(lb+ bh+ hl) -lb

2(20+ 12 +15)-20

=2(47)-20

=94-20

=74

cost= 74×50

= 3700

Answer 2

Step-by-step explanation:

so the answer is :

let the number be x