Question 431391
	percent	----------------			quantity							
Nacl 	10	----------------			x	ml						
water	0	----------------	300	-	x	ml						
Total	5.00%	----------------	300									
												
10x+0(300-x)=5*	300
												
10x=	1500		
							
/10											
x=150	ml 10.00%	
Balance water