At the beginning of the school year, the number of students in the band was the same as the number of students
in the choir. Throughout the school year, the number of students in the band decreased by 8, and the number of
students in the choir decreased by 4. At the end of the school year, the number of students in the choir was
25% more than the number of students in the band. How many students were in the band at the beginning of
the school year?.
(students were in the band.
At the beginning of the school year,?). Students were in the band

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno step statement reason 1 ∠oln ≅ ∠lno given 2 draw oe as a perpendicular bisector to ln by construction 3 ∠leo ≅ ∠neo transitive property of equality 4 m∠leo = 90° definition of a perpendicular bisector 5 m∠neo = 90° definition of a perpendicular bisector 6 le ≅ en definition of a perpendicular bisector 7 δole ≅ δone side-angle-side (sas) postulate 8 ol ≅ on cpctc nina made two errors in the proof. identify and correct the errors.