Easy you just have to add them all:
6 plus 8 plus 80 plus 100
It doesnt really matter. Your spending the same money no matter how you pay.
1-the
2-the
3-an
4-a
5-the
6-some
7-the
8------
9-nothing need to be changed
10-any, some
1 and 2 require commas. It then becomes an apposition that explains the subject "everyone" better. Three should be a dot with a capital letter on Y while 4 should be a comma as well to separate clauses.
