To find out how much Richard can read in one hour, we need to divide the total amount of the book by the amount of time it takes him to read it.
1/4 of a book is read in 4/5 of an hour, so in one hour, Richard can read 1/(4/5) = 5/4 books.
Therefore, Richard can read 5/4 books in one hour.
Richard can read 1/4 of a book in 4/5 of an hour. At this rate, how much can Richard read in one hour?
1 answer