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djverab [1.8K]
2 years ago
10

Please help please help

Mathematics
1 answer:
Dafna1 [17]2 years ago
7 0
Pretty sure it is B?
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Neporo4naja [7]

Answer:

20kg of 25% copper alloy

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There are 2 kinds of metal, first metal(A) have 25% copper while the second metal(B) has 60% copper. The metalworker want to create 50kg of metal, which means the total weight of both metals is 50kg (A+B = 50). The metalworker also want the metal made of a 46% which is 23kg(0.25A + 0.6B = 0.46*50). From these sentences, we can derive 2 equations. We can solve this with substitution.

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3 years ago
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