Question

In two types of brass, the ratio of copper to zinc are 8:3 and 15:7 respectively. if the two types of brass be melted and mixed in the ratio 5:2 a new type of brass is obtained. the ratio of copper to zinc iin this new type of brass is?

Answer 1

Answer:

5:2

Explanation:

• first brass have Cu - 8/11
• second have Cu - 15/22
• new brass have Cu - 5/7

By Alligation

• 8/11 15/22

\ /

5/7

/ \

5:2