63.27 % of fishes are gold fish
<h3><u>Solution:</u></h3>Given that out of 49 fish, 31 are goldfish
To find: percent of gold fish
The percent of gold fish is calculated by dividing number of goldfish by total number of fish multiplied by 100
<em><u>The percentage of gold fish is given by formula:</u></em>
From given information,
total number of fish = 49
number of gold fish = 31
Substituting the values in formula, we get
Therefore, approximately 63.27 % of fishes are goldfish