The orbital period, p, of a planet and the planet’s distance from the sun, a, in astronomical units is related by the formula. If saturn’s orbital period is 29. 5 years, what is its distance from the sun? 9. 5 au 19. 7 au 44. 3 au 160. 2 au.

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.