Answer:
Explanation: 
Two friends are reading books. Jimmy reads a book with 21,356 words. His friend Bob reads a book with one-and-a-half times as many words. Which expression represents the number of words Bob reads? 
 
 21,356 x 2 
 21,356 x one fourth 
 21,356 x one half 
 21,356 x one and one half