Two alloys A and B contain copper and zinc in the ratio 7 : 2 and 5 : 3 respectively. How many kg of A and B must be melted in order to get an alloy of 44 kg containing copper and Zinc in the ratio 3 : 1?
1
24 kg, 20 kg
2
30 kg, 14 kg
3
28 kg, 16 kg
4
36 kg, 8 kg