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16. Ratio of Copper & Zinc in a mixture is 5 : 4.1.250 Kg. Zinc is mixed in 17.5 Kg. mixture. Thenfind the ratio of Copper & Zinc in new mixture ?Typ |
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Answer» 5x + 2x =17×1/2kg=>7x=35/2kg=>x=5/2kg5x= 5/2*5= 25/2 kgzinc= 2x= 5/2*2= 5kg Now after adding 1.250 kg of zinc => zinc becomes => 5 + 1.250 = 6.250 kg= 25/4 New ratio becomes copper : zinc =25/2:25/4 = 2 : 1 |
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