Kali has a total of 21 balloons at her party. The ratio of blue balloons to green balloons is 4:3. How many blue balloons did Kali have at her party?

Respuesta :

4:3 for 21 balloons is essentially

4x + 3x = 21

7x = 21

x = 3

We can multiply 4 and 3:

4*3 = 12

Kali had 12 blue balloons at her party

Answer:

12

Step-by-step explanation: