Final answer:
Jamal spent 10 hours and 10 minutes reading his book, which is 30 minutes more than the time spent on homework.
Step-by-step explanation:
To find out how much more time Jamal spent reading his book than doing his homework, we need to subtract the time spent on homework from the time spent reading the book.
First, let's convert 9 1/2 hours to a mixed number. 9 1/2 hours is the same as 9 + 1/2 hours, which is 9 hours and 30 minutes.
Next, let's add the time spent on homework (9 hours and 30 minutes) and the time spent reading (2/3 hours).
9 hours and 30 minutes + 2/3 hours = 9 hours and 30 minutes + 40 minutes (convert 2/3 hours to minutes) = 9 hours and 70 minutes = 10 hours and 10 minutes.
So, Jamal spent 10 hours and 10 minutes reading his book, which is 30 minutes more than the time spent on homework. Therefore, the correct answer is b) 5 1/2 hours.