Question 1032617
Bus I	x	mph						
Bus II	x+	12	mph					
..								
They are moving towards each other								
								
So add up their speed.								
								
combined speed = x+		1	x	12				
(	2	x	+	12	)			
Time =	4	hours						
Distance =   	608	miles						
Distance = speed * time								
(	2	x		12	)*	4	=	608
8.00	x	+	48	=	608			
8	x	=	608	+	-48			
8	x	=	560					
/	8							
x=	70	mph						
Bus I	=	70	mph					
Bus II	70	+	12	=	82	mph		
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