Carmen, Brian, and Ahmad sent a total of 117 text messages over their cell phones during the weekend. Ahmad sent 8 more messages than Carmen. Brian sent 3 times as many messages as Ahmad. How many messages did they each send?

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 nina made two errors in the proof. identify and correct the errors.