Question

There are 20 students in a class, 12 of the students are girls
Find the ratio of number of girls to the number of boys
express your ratio in the form n: 1

Answer 1

Answer:

1.5 : 1

Step-by-step explanation:

Given the number of girls = 12 , then

number of boys = 20 - 12 = 8

Ratio of girls : boys = 12 : 8 = 3 : 2 = 1.5 : 1

Answer 2

The ratio of the number of girls to the number of boys  express your ratio in form 1.5: 1.

Given that,

There are 20 students in a class, 12 of the students are girls,

We have to determine,

Find the ratio of the number of girls to the number of boys  express your ratio in the form n: 1.

According to the question,

Number of students in the class = 20

Number of girls in the class = 12

Then,

Number of boys in the class = 20 - 12 = 8

The ratio of the number of girls to the number of boys  express your ratio in the form n: 1.

The ratio of girls and boys is,

$= \dfrac{number \ of \ girls}{number \ of \ boys}\\\\= \dfrac{12}{8}\\\\= \dfrac{6}{4}\\\\= \dfrac{3}{2}\\\\= \dfrac{1.5}{1}\\\\= 1.5;1$

Hence, The ratio of the number of girls to the number of boys  express your ratio in form 1.5: 1.

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