you just have to multiply by 2. Since the 1/5 turns into ?/10, you can assume that you multiply the 5 by 2, and whatever you do to the bottom, you do to the top. So you would multiply the 1 by 2 and you would end up with 2/10.
<span>This is the term used to describe economic systems in which the basic economic questions are answered based on a socially, pre-established way.</span>
