Arestaurant charges a mandatory 15% tip for parties containing more than 6 people. a party of 10 people was charged $52.50 as a tip. what is the amount of the bill?

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.