the ratio of gold to copper in an ornament is 93:7. if the weight of the ornament is 30g, then find the weight of copper in the ornament.
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let the gold be 93x and copper be 7x .
now
according to ques.
93x+7x=30gm
100x=30
x=30/100
x=0.3
now
copper weight was 7x i.e,
7multiply by 0.3=2.1gm
now
according to ques.
93x+7x=30gm
100x=30
x=30/100
x=0.3
now
copper weight was 7x i.e,
7multiply by 0.3=2.1gm
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