Answer:
3aw 3aw 3aw 3aw 3aw 3aw 3aw
If 6 goes to 12, if it remains proportional, it should be x2. So 8 x 2 = 16. X = 16
I'm guessing the sum is supposed to be

Split the summand into partial fractions:


If
, then

If
, then

This means

Consider the
th partial sum of the series:

The sum telescopes so that

and as
, the second term vanishes and leaves us with

2/6
because after you take one quarter out you have a total of 6 left & you have 3 delaware ones and you already have 1 delaware one out of your pocket it makes it 2/6