Let x be the number of red fish
3:5 = x:20
3/5 = x/20
(Cross method)
5x = 60
x =12
There are 12 red fish in the fish tank.
Answer:
There should be a number of 14 students in each row
Step-by-step explanation:
Find the factors of 196 then find the Greatest factor pairs which give you the numbers of 14 and 14. Now you have your answer of 14 rows and 14 columns.
Y=-x^2 is non linear due to the x being squared
