Question

Sophia finished 32 pages of a book. She calculated that she finished 90 more pages than she has yet to read. How long is her book?

Answer 1

270

Explanation:

From (1) and (2), we get,

> y + 90 = 2/3X

> 1/3 X + 90 = 2/3X

> 90 = 1/3 X

> X = 270

Therefore