Which statement best analyzes the effects of an active lifestyle?

All of the following are jobs that you can obtain after training at a vocational school except: a. medical technician. b. electrician. c. lawyer. d. hotel manager.

Led party light. d. d. d. d. g. l. e. d.

Raul has one solution that is 20% acid by volume and one solution that is 50% acid by volume. he plans to mix together some of each solution to create 30 milliliters of a solution that is 40% acid by volume. how many milliliters of the 20% acid solution should raul use to create the 40% acid solution? can someone explain this to me? i know that the answer is 10 milliliters, but i don't know how to get it.