Tom arranged eight rows of chairs for an assembly in the cafeteria. Each row had 26 chairs. How many chairs did Tom arrange in the cafeteria?

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