do 32 plus 12 ($44) a guppy fish costs $6. do 80 - 44 which is 36. now, back to the fish charging $6, you can purchase 6 fishes which comes up to $36. 36 + 44 is $80 and u spent $80.
inequality:
44 + 6 guppies ≤ 80
80 - 44 is 36, so
6/6 ≤ 36/6 is means guppies ≤ 6, so she can get 6 guppies