Question

An alloy contains 32% copper, 40% zinc and
the rest nickel. Find (in grams) the amount
of nickel in 1 kg of the alloy.​

Answer 1

In 100% an alloy contains 32% copper, 40% zinc and the rest nickel. So, if an alloy is increased ten times, the respective contains are also increased ten times. Hence, 1 kg of alloy contains copper 320g, Zinc 400g and Nickel 280g. So, the correct answer is “320g, Zinc 400g and Nickel 280g

Thanks

Answer 2

Answer:

nickel=28%of total wt

=28/100*1kg

28/100*1000g

280g