Add them up and you have your answer
It snowed
foot more yesterday than today
<em><u>Solution:</u></em>
Given that, At the Butler Ski Resort, it snowed 1/2 of a foot yesterday and 1/5 of a foot today
From given information,

<em><u>To find: how much more did it snow yesterday than today</u></em>
So we have to find the difference between snowed yesterday and today

Hence it snowed
foot more yesterday than today