There are 20 girls and 15 boys in a class.(a) What is the ratio of num

1.	There are 20 girls and 15 boys in a class.(a) What is the ratio of number of girls to the number of boys?(b) What is the ratio of number of girls to the total number of students in the class?
Answer» Numbers of girls in a class = 20 Numbers of boys in a class = 15 Total numbers of students in a class = 20 + 15 = 35 (a) Ratio of number of girls to number of boys = 20/15 = 4/3 = 4 : 3 (b) Ratio of numbers of girls to total number of students = 20/35 = 4/7 = 4 : 7

There are 20 girls and 15 boys in a class.(a) What is the ratio of number of girls to the number of boys?(b) What is the ratio of number of girls to the total number of students in the class?

Answer»

Numbers of girls in a class = 20

Numbers of boys in a class = 15

Total numbers of students in a class = 20 + 15 = 35

(a) Ratio of number of girls to number of boys

= 20/15 = 4/3 = 4 : 3

(b) Ratio of numbers of girls to total number of students

= 20/35 = 4/7 = 4 : 7