in an alloy ratio of copper And zinc is 9:6 if bell of weight 45 kg is made from this alloy what quantity of copper will be used
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Let the quantity of copper be 9x
Quantity of zinc will be 6x
According to question
9x + 6x= 45
15x= 45
x=3
Quantity of copper= 9x = 9×3 =27g
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