Class of students - number of students that are boys = numbers of students that are girls
30 - 13 = 17
To change the number of students that are girls into percentage...
17/1 * 1/100 = 17/100
17/100 in a % form = 17%
The percentage of girls in the class is 17%
Second answer
Step-by-step explanation:
The difference between a blue whale's heart and a African bull elephant heart is 2963.27 lbs. it will take 49 African bull elephant's heart to equal one blue whale's heart.