I have 72 non fiction books and 328 fiction books for sale. What percent is non fiction books?​

18%

Step-by-step explanation:

First find the total. 72+328=400

Next do 72/400=0.18

Convert to percent by multiplying by 100

18%

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.