Question

Can anyone help me with this question?

This is question is for genius people
Let's see who is smart. Thx​

Answer 1

x=3

Step-by-step explanation:

5 * 2 = 10 choices.

For 30 choices you need

10 * x = 30

x = 3 speakers.

Answer 2

3

Step-by-step explanation:

With the stereos and amplifiers there are 5 * 2 = 10 choices.

For 30 choices you need

10 * x = 30

x = 3 speakers.