Question

Sue is reading a book of 360 pages. She read some of the book last week. She plans to read 46 pages today. When she does, she will be 4/5 of the way through the book. How many pages did she read last week?

Answer 1

Answer: She read 242 pages last week.

Explanation:

Total pages = 360

Let the number of pages she read last week = x

( Pages read last week) + (Pages read today) =
`\frac45` (Total pages)

i.e.
`x+46=\frac45(360)`

`\Rightarrow x+46=288\\\\ \Rightarrow x= 288-46\\\\ \Rightarrow x=242`

Hence, she read 242 pages last week.