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Electrum is an alloy of gold and silver. If the ratio of gold and silver in 200 g
of electrum is 11: 9, find the weight of each metal in the alloy

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Sagot :

Answer:

weight of gold = 110 g

weight of silver = 90 g

Step-by-step explanation:

weight of electrum = 200 g

ratio of gold and silver in 200 g of electrum is = 11 : 9

let the weight of each metal = x

i.e.

11x + 9x = 200

20x = 200

x = 200/20 = 10

weight of gold = 11x = 11(10) = 110 g

weight of silver = 9x = 9(10) = 90 g

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