Skip Counting by 2, 5, and 10

2, ____, 6

8, ____, 12

5, ____, 15

10, 20, ____

15, 20, ____

40, ____, 60

14, 16, ____

5, 10, 15, _____

20, 22, _____

Ms. Dot has packs of buttons. There are 5 buttons in each pack. She used skip counting to count the buttons. She counted 5, 10, 15, 20, 25, 30, 35 buttons. Then she found one more pack. How many total buttons does Ms. Dot have?