Question 437560
Sarah		4	km/h					
Amanda		6	km/h	1	hours late		
Distance   	37	km						
1hour	Sarah has traveled	4	km 		before 	Amanda	starts	
So distance =	33 When amanda starts					
Let time they take to meet be	x	hours						
Sarah	distance traveled	4	x	miles   					
Amanda	distance traveled	6	x	miles   					
									
Time taken to meet is same									
t=d/r									
combined speed=		10	km/h						
									
10	x	=	33						2.44
x=   	3.3	hours	after Amanda starts