richard needed to read 5 books for his summer reading assignment. It took him 4 5/8 hours to read the first 2 books. It took him 7 7/8 hours to read the remaining 3 books. How long did it take Richard to read all 5 books?
Richard took 4 5/8 hours to read the first 2 books, which is equal to 37/8 hours.
He took 7 7/8 hours to read the remaining 3 books, which is equal to 63/8 hours.
Therefore, it took Richard a total of 37/8 + 63/8 = 100/8 = 12.5 hours to read all 5 books. Answer: \boxed{12.5}.
Can you make it a mixed equation
Sure, we can write the answer as a mixed number.
The total time taken by Richard is 12.5 hours. We can rewrite this as 12 hours and a half hour. So the answer can be written as 12 1/2 hours. Answer: \boxed{12\frac{1}{2}}.