Question 718601
-------------- 	percent	----------------	Amount									
water	0	----------------			100	ml						
acid	37	----------------			x	ml						
Mixture	5	----------------	100	+	x	ml						
												
0	*	100	+	37	x	=	5	(	100	+	x	)
0	+	37	x	=	500	+	5	x				
37	x		-5	x	=	0	+	500				
32	x	=	500									
/	32											
x	=	15.63		ml	acid							
												
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