Question

What is the ratio of the average number of catfish to the average number of all fish in the samples?

StartFraction Average number of catfish over average number of fish EndFraction = StartFraction (3 + 5 + 7) divided by 3 over 20 EndFraction
1:7
1:4
2:5
3:4

Answer 1

So it would be B, 1:4, did it on edge 2020 and I got it right. hope it helps you guys out!

Explanation:

:) hope it helps

Answer 2

1:4

Explanation:

Let

x ----> average number of catfish

y ---> average number of fish

we know that

`(x)/(y) =((3+5+7)/3)/(20)`

`(x)/(y) =(5)/(20)`

simplify

`(x)/(y) =(1)/(4)`

or

`x:y=1:4`