The two congruent base angles tell us that this is an isosceles triangle, meaning the triangle has two congruent sides. Therefore, we can set these two expressions equal to each other and solve from there.
Jeff because it was out of 5 and he only had two so he had three more to go. Jane had 1 more to go. Jill had 1 more to go. Cindy had 1 more to go and Jeff has 3 more to go.
