A lifetime. You are always improving, every time you read something! Reading is like anything else -- the more you practice, the better you will get. Don't worry about how long, worry about getting started on it.
Reading the manga will take you a year
As long as your meat thermometer is calibrated correctly, it should only take about 2-5 seconds to get a reading.
3 MINS
About 40 minutes.
Around 4 hours
Make a time and date to study and take advantage of technology! i love to use StudyBlue (Studyblue.com). They have a very unique flashcards system. To improve your reading stills, make sure you read whenever you can!
27 mins
274 miles
Check Mapquest.com
1 hour for a teacher to read
No way to tell, depends on your reading skills. Time yourself reading 5 pages and you should be able to figure out how long it would take to read the whole book.
base words and derived words help you improve your reading by giving you better reading fluency