Half a number is at least 2 units from 20.
need !

36 I think

Step-by-step explanation:

you would do .5x=20-2

this would simplify to .5x=18

you then divide 18 by .5 and you would get 36

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.