A and B are two alloys of silver and zinc in the ratio 2 : 3 and 5 : 2. Equal quantities of these alloy are mixed to form a new alloy. Find the ratio silver and zinc in the new alloy.
1
39 : 31
2
20 : 16
3
12 : 21
4
16 : 20
5
31 : 39
A and B are two alloys of silver and zinc in the ratio 2 : 3 and 5 : 2. Equal quantities of these alloy are mixed to form a new alloy. Find the ratio silver and zinc in the new alloy.