Question

an alloy of gold & copper weighing 100gm contains 97gm of gold how much gold should be added to alloy to increase the % of gold to 98%​

Answer 1

Answer:

50 grams

Step-by-step explanation:

given in 100gms

gold and copper is in ratio 97:3

so to make it 98% of gold ,how much gold should be added

97 + x/3 =98% / 2%

x=50 gms

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Answer 2

Answer:

Your answer in attachment....