Question 999171

Rick's speed	x	mph						
Mike's speed =	x+	8	mph					
..								
They are moving away from each other								
								
So add up their speed.								
								
combined speed = x+			x+	8				
(	2	x	+	8	)			
Time =	7	hours						
Distance =   	448	miles						
Distance = speed * time								
(	2	x		8	)*	7	=	448
14.00	x	+	56	=	448			
14	x	=	448	+	-56			
14	x	=	392					
/	14							
x=	28	mph						
Rick's speed	=	28	mph					
Mike's speed =	28	+	8	=	36	mph		
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