40 x 2 = 80
39 x 2 = 78
39 times with 1 remaining
Nine times.
79 + 79 = 158 / 2 = 79.
39.5
2 R 15
2 with remainder 23.
2 R 21
1 and 79
1, 2, 4, 79, 158, 316.
go to manheimgold.com and figure it out.
81
39 time with a remainder 1
2.03 times or 2 with remainder 1.