A metalworker has a metal alloy that is 15% copper and another alloy that is 75% copper. How many kilograms of each alloy shou

Question

2 years ago

9

ld the metalworker combine to create 100 kg of a 63% copper alloy?

1 answer:

Artemon [7] · Answer 1 · 2022-07-26T17:38:40+03:00

5 0

For 100kg

15% : (100-x)0.15
75% : 0.75x

equation

(100-x)0.15 + 0.75x = 100*0.63
solve for x:

x = 80kg of 75%
20kg of 15%

A metalworker has a metal alloy that is 15​% copper and another alloy that is 75​% copper. How many kilograms of each alloy shou