SOLUTION: A metalworker has a metal alloy that is 20​% copper and another alloy that is 75​% copper. How many kilograms of each alloy should the metalworker combine to create 100

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Question 1061240: A metalworker has a metal alloy that is 20​% copper and another alloy that is 75​% copper. How many kilograms of each alloy should the metalworker combine to create 100 kg of a 53​% copper​ alloy?
The metalworker should use __ kilograms of the metal alloy that is 20​% copper and __ kilograms of the metal alloy that is 75​% copper.

Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
Find both quantities for two-part mixture, https://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev

Using only one variable for finding both parts of a two-part mixture - video example

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