Mr. Brown opened a new account with a deposit of $4,000. - The account earned annual simple interest.

- He did not make any additional deposits or withdrawals.

- At the end of 4 years, the balance was $4,400.

What is the annual interest rate on this account?
5%
2.5%
10%
7.5%

Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland