Question 428386
.........	percent	----------------	quantity							
24k	       100----------------	x	gms						
Gold 60% 	60----------------	20-x	gms						
Total	75.00%	----------------	20					
100x+60(20-x)=75*20												
100x+1200-60x=1500		
100x-60x	=1500-1200		
40x=300							
/40									
x=7.5gms