Question

2x/7=15/22 Where do I start? I am stuck!

Answer 1

You are not stuck.  You must do SOMETHING, even if it's wrong.

                                               2x/7 = 15/22

Divide each side by  2 :        x/7 = 15/44

Multiply each side by  7 :      x    = (15 x 7)/44 =  105/44  =  2.386... (rounded)


Now why couldn't YOU do that ?
You're in high school !