Brass is alloyed with 30 % of Zink and 70% of copper . If 210 g of copper has been used in an alloy , find the weight of Zink and alloy.
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30% of zinc
70% of copper
210g of copper is present
let the total amount of alloy be x
=> 70x/100=210g
=> 7x=2100g
=>x= 300g
= 300g
therefore amount of zinc is 90g
70% of copper
210g of copper is present
let the total amount of alloy be x
=> 70x/100=210g
=> 7x=2100g
=>x= 300g
= 300g
therefore amount of zinc is 90g
Anonymous:
Ma'am can you explaine the calculation why it happened?
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