Suriin ang IDNStudy.com para sa mabilis na mga solusyon sa iyong mga problema. Ang aming mga eksperto ay nagbibigay ng mabilis at eksaktong sagot upang tulungan kang maunawaan at malutas ang anumang problema.

A metallurgist wishes to form 2,000 kilograms of an alloy that is 80% copper. He is to obtain this alloy by fusing together
some alloy that is 60% copper with some alloy that is 85% copper. How many kilograms of each alloy must be used?
Let x= number of kilograms of 60% copper and y= number of kilograms of 85% copper.