Justin needs to memorize words on a vocabulary list for Spanish class. He has 30 words to memorize, and he is two-thirds done. How many words has Justin memorized so far

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint