Question

EXERCISE 12.1
all
There are 20 girls and 15 boys in a class,
(b) What is the ratio of number of girls to the total number of students in de slas
(a) What is the ratio of number of girls to the number of boys​

Answer 1

Answer:

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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