Working 8 hours a day, Ashu can copy a book in 18 days. How many hours a day should he work so as to finish the work in 12 days?

Explanation

To solve the problem step by step, we will follow these calculations:

### Step 1: Calculate Total Work
First, we need to determine the total amount of work Ashu needs to complete. We know that Ashu works for 8 hours a day and takes 18 days to copy the book.

Total Work = Hours per Day × Days
Total Work = 8 hours/day × 18 days = 144 hours

...