The previous population was 14000.
Explanation
The population decreased by 35% since the last measurement. So the current population is less than the previous population.
current population=9100
previous population =x
current population is 35% less than the previous population x

The previous population was 14000.
The answer should be 7/10!
The definition of congruent is:
~In agreement or harmony.
Hope this helps!!!
(9x3)-9=18
Thisjj bf is the answer enjoy