Question

The ratio of copper to zinc in an alloy is 9 : 7. If the weight of copper

is 4 g in the alloy, what will be the weight of zinc in that alloy?​

Answer 1

Step-by-step explanation:

Let Take Weight of Zinc be xg

9:7 = 4:x

9/7 4/x

x = 4×7/9

x = 28/9

x = 3.12 g

Answer 2

Answer:

This is your answer

Step-by-step explanation:

I hope it helps you