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.)

in english this is

ex.15 pag.85 create. write in ten lines the continuation of the ballad of the five motanasi, using verbs to the imperfect and to the perfect compound. five stars

hope i with whatever it is that you need! : )

24.0345 ft < the height of the building

if the distance from d to d' is 10 and the distance from a to d is 2, what is the scale factor