Pete and teagan each put the same amount of money in a new bank
account. teagan's account earns 2.75% simple interest, and she earned
$2.20 in interest after one year. pete's account earns 5% simple interest.
how much interest did pete earn in his account after one year?

Out of five men and five women, we form a committee consisting of four different people. assuming that each committee of size four is equally likely, find the probabilities of the following events: 1. the committee consists of two men and two women 2. the committee has more women than men. 3. the committee has at least one man. for the remainder of the problem assume that alice and bob are among the ten people being considered. 4. both alice and bob are members of the committee.