In an alloy (A), zinc and copper are in the ratio 1 ∶ 2. In the second alloy (B). zinc and copper are in the ratio 2 ∶ 3. In what ratio should these two alloys A and B be mixed to form a new alloy in which the ratio of copper and zinc is 8 ∶ 5?

In an alloy (A), zinc and copper are in the ratio 1 ∶ 2. In the seco

1.	In an alloy (A), zinc and copper are in the ratio 1 ∶ 2. In the second alloy (B). zinc and copper are in the ratio 2 ∶ 3. In what ratio should these two alloys A and B be mixed to form a new alloy in which the ratio of copper and zinc is 8 ∶ 5?
A.	1 ∶ 3
B.	2 ∶ 7
C.	3 ∶ 10
D.	4 ∶ 13
Answer» D. 4 ∶ 13

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In an alloy (A), zinc and copper are in the ratio 1 ∶ 2. In the second alloy (B). zinc and copper are in the ratio 2 ∶ 3. In what ratio should these two alloys A and B be mixed to form a new alloy in which the ratio of copper and zinc is 8 ∶ 5?

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