How much of an alloy with 30% copper must be added to 25 pounds of a second alloy that is 20% copper to create a 27% alloy?

Let x pounds of 30% copper alloy should be added to 25 pounds of a second alloy that is 20% copper to create y pounds of a 27% alloy.

Therefore, we can frame two equations as:

Our next step is to solve this system of linear equations. We can use substitution method to solve this system.

Therefore, 58.33 pounds of 30% copper alloy must be added.

is this part of a question or something

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