Question 514239
Let x be the number of 		shirts								
Francisco R, C(f)=			50	+	4.25	x				
Gary Ray,	C(g)=		20	+	6.70	x				
Francisco R	<	Gary Ray						C(r)<C(g)		
20	+	6.70	x 			<	50	+	4.25	x 
20	+	6.70	x 			<	50	+	4.25	x 
20	-	50				<	4.25	x	-6.7	x
-30	<	-2.45	x 							
12.24	<	x								
The quantity should be greater than 13	shirts	

m.ananth@hotmail.ca