Question 1124798

A candy distributor needs to mix a 30% fat-content chocolate with a 60% fat-content chocolate to create 100 kilograms of a 57% fat-content chocolate. How many kilograms of each kind of chocolate must they use?
<pre>{{{highlight_green(system(matrix(1,6, 10, kgs, of, the, "30%", fat-content), and, matrix(1,6, 90, kgs, of, the, "60%", fat-content)))}}}