It takes julie 75 minutes to read 60 pages. a) how many pages can julie read per minute. leave the answer as a fraction. b) julie's book 350 pages long. set up a proportion to find out how long will it take her to read the entire book. c) solve the proportion. leave answer in terms of hours and minutes.

It is 345 divide the pages by time then multiply by 350

You can find the unit rate of pages per minute by dividing the pages read amongst the time spent. 60/75 is .8 pages per minute. 

If Julie's book is 350 pages long, then you can set up the proportion 
60      350
75         x

If you solve this proportion, you get 437.5 minutes, or 7 hours and 17 minutes, and 30 seconds.