Question

5 grams alloy contains 15/4 grams copper and rest is nickel. find the ratio by weight of nickel to copper

Answer 1

an alloy contains 32% of copper 40% zinc and remaining nickel .find in grams the quantity of each of the content in a sample of 1 kg of alloy
:
Find the percent nickel: 100 - 32 - 40 = 28% nickel
1 kg = 1000 grams
.28*1000 = 280 grams of nickel
.32*1000 = 320 grams of copper
.40*1000 = 400 grams of zinc
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