A metalworker has a metal alloy that is 20% copper and another alloy that is 60% copper. How many kilograms of each alloy should the metalworker combine to create 60 kg of a 52% copper alloy?

The metalworker should use ? kilograms of the metal alloy that is 20% copper and ? kilograms of the metal alloy that is 60% copper.
(Type whole numbers.)

step-by-step explanation:

just plug in each number for x and see which ones work and don't

-1/2 +2

step-by-step explanation:

42.4

step-by-step explanation:

convert to decimal

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,