Answer:24 daysStep-by-step explanation:1.) 6 typist x 8 hours per day = 48 total hours of work per day2.) 48 hours work per day x 16 days = 768 total hours of work to finish the manuscript3.) 768 hours of work needed ÷ 8 hours of work per day = 94 days 4.) 94 days of work ÷ 4 typist = 24 days of work for 4 typist to finish a manuscript