Question

2. An alloy consists of 30% zinc, 45% nickel and the rest copper. Find the weight of copper in 800 g of the alloy.​

Answer 1

Answer:

200g

Step-by-step explanation:

Answer 2

Step-by-step explanation:

ratio of zinc,nickle and copper= 30:45:25

ratio of zinc,nickle and copper= 6:9:5

weight of cu in 800g= (5/20)×800

weight of cu in 800g= 4000/20

weight of cu in 800g= 200

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