Ed had 24 more marbles than Doug. Doug lost 27 of his marbles at the playground while Ed found 9 more marbles. How many more marbles did Ed have than Doug then?
:

1. Ed had 24 more marbles than Doug.
2. Doug lost 27 of his marbles at the playground.
3. Ed found 9 more marbles.

This means that Doug originally had (24 + 27) = 51 marbles, and Ed originally had (51 + 9) = 60 marbles. Therefore, Ed had 9 more marbles than Doug.