Gold and Copper are mixed in different proportions to form two different alloys. Alloy 1 has them in the ratio 1:3 respectively while Alloy 2 has them in the ratio 2:5. In what ratio should Alloy 1 and Alloy 2 be mixed to form a mix which has Copper and Gold in the ratio 8:3?

Gold and Copper are mixed in different proportions to form two differe

1.	Gold and Copper are mixed in different proportions to form two different alloys. Alloy 1 has them in the ratio 1:3 respectively while Alloy 2 has them in the ratio 2:5. In what ratio should Alloy 1 and Alloy 2 be mixed to form a mix which has Copper and Gold in the ratio 8:3?
A.	4:7
B.	5:7
C.	. 7:4
D.	7:5
Answer» B. 5:7

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Gold and Copper are mixed in different proportions to form two different alloys. Alloy 1 has them in the ratio 1:3 respectively while Alloy 2 has them in the ratio 2:5. In what ratio should Alloy 1 and Alloy 2 be mixed to form a mix which has Copper and Gold in the ratio 8:3?

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