Question 443021
let the bill amount be 				x			
Plan A=			100	+	25.00%	of rest	
Plan B=			160	+	20.00%	of the rest	
Plan B < Plan A							
160	+	0.25	(x-	160	)	<	100
160	+	0.20	x 	-40		<	100
160	-	100	-40	+	25	<	0.25
45	<	0.05	x 				
900	<	x					
x should be greater than 900