Question 484151
Let x be the number of 		hours 								
company A			80	+	55.00	x				
Company B			0	+	75.00	x				
company A	<	Company B								
0	+	75.00	x 			<	80	+	55.00	x 
0	+	75.00	x 			<	80	+	55.00	x 
0	-	80				<	55	x	-75	x
-80	<	-20	x 							
4	<	x								
x should be greater than 4	hours for B to be more expensive