Respuesta :

Answer:

14.4

Step-by-step explanation:

20.4-6 = 14.4

So his balls should grow 14.4 inches/feet/centimeters (whatever measuring tool you're asked to use)

Are you sure it's balls though

Answer:

20.4-6=14.4

since he wants his balls to grow you need to subtract how much he wants them tp grow by how tall the already are

Step-by-step explanation: