Math, asked by pavank4841, 4 days ago

Please answer the question

WITH EXPLANATION
PLZ

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Answered by dharaneeshp84

1

Answer:

copper = 30%, nickel = 45%

copper + niickel = 30% + 45% = 75%

rest mass is of zinc

= (100 - 75)% = 25%

total mass of alloy = 640g

Mass of zinc in alloy

= 25% of 640

= 25 x 640/ 100 = 160g

mass of zinc in alloy = 160g

Step-by-step explanation:

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