Question

an alloy contains copper zinc and nikel in the ratio 5:3:2 the quantity of nikel that must be added to 100 kg of this alloy to have the new ratio 5:3:3 is ​

Answer 1

The quantity of nickel (in kg) that must be added to 100 kg of this alloy to have the new ratio 5 : 3 : 3 is. 10x = 100 kg. ∴ 1 unit = 10 kg.