85.
The sum of 85 and 55 is 140.
A Partial Sum is a Sum of Part of a Sequence. You must have a sequence to find the partial sum. The regular sum of 67 + 85 is 152.
85+15=100
78 + 85 = 163
111
342 is the sum.
2
85
85 & 86 85 & 86
They are: 83+2 = 85
85
179