Use the drop-down menus to identify the moods of the verbs in this passage. Mrs. Lopez walked into the room. "Please pass forward your homework," she said. "Today we will discuss poetry." Dan realized that he had forgotten his homework at home. If it were any other day, Mrs. Lopez might accept late homework. But today was the last day of the semester.

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.