Question

In a class of 21 students, there are 3 boys for every 4 girls. How many girls in all are in the

class?

Answer 1

Answer:12 girls

Explanation:

3 boys=4 girls

3 boys=4 girls

3 boys= 4 girls

9 boys=12 girls

So, 9+12=21 total.

Answer 2

12

Explanation: