Question

the perimeter of a rectangular swimming pool is 154m it's length 2m more than twice it's breadth what are the length and width of the pool

Answer 1

breadth = x
length= 2x+x
perimeter=2(l+b)
2(l+b)=154
2(2+2x+x)=154
4+4x+2x=154
6x=154-4
6x=150
x=150/6
x= 25
breadth=25m
length=25×2+2
= 50+2=52m

Answer 2

Let breadth = ( x ) m

length = ( 2x + 2 ) m

Given, Perimeter = 154

2( 2x + x + 2 ) = 154

3x + 2 = 77

3x = 75

x =25 m

Hence, breadth = 25 m

Length = 2(25) + 2 = 50+2 = 52 m

Answer 3

Let breadth = ( x ) m

length = ( 2x + 2 ) m

Given, Perimeter = 154

2( 2x + x + 2 ) = 154

3x + 2 = 77

3x = 75

x =25 m

Hence, breadth = 25 m

Length = 2(25) + 2 = 50+2 = 52 m