in an aquarium there are 36 red and some black fish when a fish is removed the probability of getting a black fish is 11/20.Find the number of black fish.
(Plz answer as fast as u can...)

Question

in an aquarium there are 36 red and some black fish when a fish is
removed the probability of getting a black fish is 11/20 Find the
number of black fish
(Plz answer as fast as u can )

Lovina Kansal · Accepted Answer

Dear student
Let the number of black fishes be x
Now, probability of getting black fish=Total number of black fishesTotal number of fishes⇒1120=x36+x⇒36×11+11x=20x⇒36×11=9x⇒x=44So, total number of black fishes=44
Regards

in an aquarium there are 36 red and some black fish when a fish is removed the probability of getting a black fish is 11/20.Find the number of black fish. (Plz answer as fast as u can...)

in an aquarium there are 36 red and some black fish when a fish is removed the probability of getting a black fish is 11/20.Find the number of black fish.
(Plz answer as fast as u can...)