A cattle train left Washington and traveled toward Johannesburg. Six hours later a
passenger train left traveling at 70 km/h in
an effort to catch up to the cattle train. After traveling for four hours the
passenger train finally caught up. What
was the cattle train's average speed?
A) 28 km/h B) 25 km/h
C) 35 km/h D) 45 km/h

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.