Question

The area of four walls of a room is 420m. If the length of the room is twice it's breadth and the walls are 5m high, find the length and breadth of the room

Answer 1

let the breadth= x
l =2x
h = 5m
2(l+b)*h = 420
2(x+2x)*5 = 420
6x*5=420
30x=420
x= 14

b= 14 m
l = 14*2
= 28 m

HOPE IT HELPS

PLEASE MARK IT AS BRAINLIEST

DON'T FORGET TO FOLLOW

Answer 2

I hope this will help you....