Which of these numbers is greater than 2.25 but less than 1? Is it 1 or 1.5 or 0 or 2.5

Ihonestly don’t understand this at all

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?