Question

(3) There are 20 girlsand 15 boys in a class
(a) What is the ratio ofnumber of girls to the number of boys?
(b) What is the ratio of the number of girls to the total number of students
in the class?​

Answer 1

Answer:

a. 4:3

b. 4:7

Step-by-step explanation:

a. Number of girls = 20

Number of boys = 15

Ratio = girls /boys = 20/15 = 4/3 = 4:3

b. Number of girls = 20

Total number of students = 20+15=35

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

Answer 2

Given:

Number of girls = 20

Number of boys = 15

Total number of students = 20 + 15 = 35

Solution:

(a) Ratio of number of girls to number of boys = 20 / 15 = 4 / 3 = 4:3 Ans

(b) Ratio of number of girls to total number of students = 20 / 35 = 4 / 7 = 4:7 Ans