Question

The ratio of the number of girls to the number of boys in a classroom is 5:4. When 10 girls left the classroom, then ratio of the number of boys to the number of girls became 4:3. How many students were in the classroom at first? Answer: There were ….. students the classroom at first

Answer 1

10 studens :

5-3=2 parts

1 part

10:2=5 studens

that class has

5x9=45 studens

answer:45 studens

Answer 2

there were 45 students the classroom at first

Answer 3

there were 45 students the classroom at first