Mathematics, 06.03.2020 23:50 Abbymay17

A metalworker has a metal alloy that is 25% copper and another alloy that is 60% copper. How many kilograms of each alloy should the me
The metalworker should use
kilograms of the metal alloy that is 25% copper and
kilograms of the metal alloy that is 60% How many kilograms of each alloy should the metalworker combine to create 90kg of 35% copper alloy?

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A metalworker has a metal alloy that is 25% copper and another alloy that is 60% copper. How many ki...

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