Question

The ratio of boys to girls in a class is 7:5. There are 36 students in the class. How many students are girls?

Answer 1

Answer:

15 are girls...

Step-by-step explanation:

7x+5x=36

x=3

5x=15

Answer 2

Answer is 21 girls.

Explanation:

We take the total part 7+5=12.

12 parts=36 students

Then, 7 parts=36x7/12=21 girls

5 parts=36x5/12=15 boys.

Hope it helps you.