3. The ratio of brass and copper in an alloy is 3 : 5. If the weight of copper is 3.2 kg, find the weight of brass in the alloy. .
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Solutions :-
Given :
The ratio of brass and copper in an alloy = 3 : 5
The weight of copper is 3.2 kg
Let the weight of brass in the alloy be x
Find the weight of brass in the alloy :-
A/q
=> 3/5 = x/3.2
=> 5 × x = 3.2 × 3
=> 5x = 9.6
=> x = 9.6/5 = 1.92
Hence,
The weight of brass in the alloy is 1.92 kg
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