Question

Sean just purchased a new fish tank. he bought 7 guppies, 12 cichlids, 4 tetras, 9 corydoras and 2 synodontis catfishes.

Answer 1

1. What is the ratio of guppies to 12 ciclids. 

, the ratio is 7:12. 

2).4;2=2;1

3. Since there are 9 corydoras catfishes, you put as 9:?.You count the total of fishes including corydoras catfishes which are 34 fishes. The answer is. 9:34 
hope it helps

Answer 2

Answer with Step-by-step explanation:

We are given that:

Sean purchased a new fish tank. He bought 7 guppies, 12 cichlids, 4 tetras, 9 corydoras and 2 synodontis catfishes.

1) what is the ratio of guppies to cichlids?

number of guppies=7

number of cichlids=12

Ratio of guppies to cichlids=7:12

2) what is the ratio of tetras to catfishes?

number of tetras=4

number of catfishes=2

Ratio of tetras to catfishes=4:2=2:1

3) what is the ratio of corydoras catfishes to the total number of fish?

number of corydoras=9

total fishes=7+12+4+9+2=34

Ratio of corydoras catfishes to the total number of fish=9:34