The time taken by Jamaal to read the entire book is 4 hours and 24 minutes.
What is an expression?
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.
He reads 1/11 books in 2/5 hours. And the whole book is 11/11 of a book. Multiply by 11 to calculate the entire time.
Time = 11 x ( 2/5 ) hour.
Time = (22 / 5) hour
Time = 22/5 hour = 4.4 hour = 4 hours and 24 minutes
Hence, Jamaal will read the entire book in 4 hours and 24 minutes.
To know more about Expression follow
https://brainly.com/question/723406
#SPJ2
