Question

8. Karyn proofreads 15 pages in 2 hours for $40.

Answer 1

Hi , Karyn proofreads 5 pages per hour , basically two half hours are equal to 10 pages , then 1 hour  equals 5 pages . She will receive 16 dollars for one page , because she receives 20 dollars for 5 pages . The unit rate is 5 pages per hour.