A metalworker has a metal alloy that is 15​% copper and another alloy that is ​65% copper. How many kilograms of each alloy should the metalworker combine to create 100kg of a 45​% copper​ alloy?

7.3

step-by-step explanation:

answer: can you give the

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

i think it is c hope that