9. The ratio of copper and tin in an alloy is 15:11. If the weight of copper in the alla
weight of tin in the alloy
In a colony, 2 out of
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Answer:
12.6 kg
Step-by-step explanation:
Given,
Weight of zinc in the alloy =9.8kg
The ratio of copper and zinc in an alloy =9:7.
Let,
Weight of copper =9x
Weight of zinc =7x
9.8=7x
x=1.4kg
∴ Weight of copper in the alloy =9x
=9(1.4)
=12.6kg
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