Answer:
Itt takes Kelly 50 minutes to type 6 pages.
Explanation:
First, find out how mant words per minute:
210/5 = 42
This means 42 words are typed per minute.
Second, see how long it takes to type one page:
350/42 = 8 1/3
Last, multiply that by 6:
8 1/3*6 = 50
Final answer: it takes 50 minutes to type 6 pages.