Question

12/15=x/10 solve for x

Answer 1

x=8

Explanation:

Set up the proportions next to each other and cross multiply. The work is shown in the picture.

Let me know if you don't understand something from it.

Answer 2

Answer: x=8

Explanation:

This is a simple cross multiplication problem:

12/15=x/10

=> 15x=120

=> x=8

There is your answer.

Have a nice day! :)