Question

Out of 50 students in a class, 30 are boys. Find the ratio of
(i) number of boys to the number of girls.
(ii) number of girls to the total number of students.
(iii) number of boys to the total number of students.
please
step by step
please​

Answer 1

Answer:

1. 3/2

2.2/5

3.3/5

Step-by-step explanation:

total students =50

girls=30

boys=50-30=20

1. boys/girls=30/20=3/2

2.girls/students=20/50=2/5

3.boys/students=20/50=2/5

Answer 2

Answer:

girls 20

Ratio of boys to students 30:50

Step-by-step explanation:

figure out how many girls there were__I did the total number of students minus the number of boys my answer___20

Know you already know the number of boys and students know you put them in a ratio  to boys to the number of students.