Diya finished 2/3 of a book. She calculated that she finished 70 more pages than she has yet to read. How long is her book?  Choose the correct option
A) A)210
B) B)150
C) C)130
D) D)90
E) E)280
Let x be the total number of pages in the book, then she finished 2/3*x pages.   Then she has x−2/3*x=1/3*x pages left.   2/3*x−1/3*x=70   1/3*x=70   x=210   So the book is 210 pages long.   210nswer is 210.
<result>A</result>
Diya finished 2/3 of a book. She calculated that she finished 70 more pages than she has yet to read. How long is her book?