Its either 3 or 2
the third way matches only if there's another reference line
I'll go with 3
The exact area is 132.665ft squared
The approximate area is 132.7ft squared
Multiples of 5: <span>5, 10, 15, 20, 25
</span>Multiples of 1<span>: 1, 2, 3, 4, 5
</span>Multiples of 4<span>: 4, 8, 12, 16, 20</span>
The sequence is incrementing by

Therefore, the sixth number is

Which is 64.