gold &copper weights 38g if 3/19th of its part is copper find the weight of pure gold in it?

anu purchase an ornament of gold and copper which weights 38g ,if 3/19th of its part is copper find the weight of pure gold in it?
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1 Answer

38 grams av gold-kopper alloy

(3/19)=kopper, then (16/19) is gold

(16/19)*38=32
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