Question 728890
Let us assume	
perimeter=2*(l+b)	l=length,b=breadth
let us assume b as x so l=x+110	
	
p=2*[(x+110)+x]	
	
1470=2[2x+110]	
	
1470=4x+220	
	
1470-220=4x	
	
1250=4x	
	
1250/4=x	
	
312.5=x i.e breadth in miles	
	
l=312.5+110	
	
l=422.5	miles
	
per=2(422.5+312.5)	
	
1470	miles