The ratio of zinc to copper in an alloy is 2 : 5 . Find the quantity of copper in 4.2kg of the alloy.
Answers
Answered by
1
Answer:
2/7*42
2*6
1.2g
5/7*42
5*6
3g
Answered by
0
Answer: Copper = 10.5kgs
Step-by-step explanation: So we do,
2x = 4.2kg
x = 4.2/2
x = 2.1
To find copper,
5x = ?
5 times 2.1
= 10.5
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