An 80g ornamental gold chain contains 40% of gold. What is the amount of gold required by the goldsmith to make 30 such chains?​

Quantity of gold in a 80 g gold chain = 40% of 80 g=40100×80 = 32 gQuantity of gold in 30 such chains = 30 × 32 = 960 g

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40/100 * 80 g = 32 g * 30 = 960 g
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