one
155 - 1 = 154
154 / 2 = 77
77.5
23.6516
17 with remainder 2.
19.375
370.0909
155/6 = 25 with a remainder of 5
4.3056
155 ÷ 25 = 6 with remainder 5 or 6.2
155.2069
Four: 1 5 31 and 155.
Divide by five and write own the remainder. 38/5 = 7, remainder 3 7/5 = 1, remainder 2 ………3 1/5 = 0, remainder 1 ……… 23 answer ……… 123 CHECK 155 + 2*5 +3 = 38 (decimal)
155