X= -15/2
Reduce the fraction
Move terms
Collect like terms and calculate
Answer:
What was the awnser!? Srry I need help
Step-by-step explanation:
Number of brown trout = 6
Number of lake trout = 18
Total number of trouts = 
Probability to catch a lake trout first time = 
As the fisherman let the trout go, so probability for the second time is =

Hence, the probability becomes=

= 
The probability to find the brown trout is 
as , 
= 