1. Constants of proportionality

2. Will the teacher get a speeding ticket? Ms. Westbrook traveled from Denton to Tyler, Texas in 1 hour. Distance = ____inches on the map Distance = _____miles in real life. d=rt Her rate of speed was _____miles per hour or _______ Speeding Ticket? YES NO Mr. Panter traveled from Denton to Del Rio, Texas in 4 hours. Distance = ____inches on the map Distance = _____miles in real life. d=rt His rate of speed was _____miles per hour or _______ Speeding Ticket? YES NO Coach Carmona traveled from Denton to San Angelo, TX in 4 hrs Distance = ____inches on the map Distance = _____miles in real life. d=rt His rate of speed was _____miles per hour or _______ Speeding Ticket? YES NO Mrs. Jester traveled from Denton to Ft. Worth, Texas in ¼ hours. (= ____ minutes) Distance = ____inches on the map Distance = _____miles in real life. d=rt Her rate of speed was _____miles per hour or _______ Speeding Ticket? YES NO mph

3. Will the teacher get a speeding ticket? _____ = ___ x __ _____ = ___ x ___ d=rt mph _____ = ___ x __

4. $The cost of each Speeding ticket$ mph Ms. Westbrook’s rate of speed was _______ Difference from 75 mph _____ $166 + 5(___ - 10) The amount of your Texas speeding fine (we will use S.A.’s formula) is determined by the following formula: $166.00 for the first 10 miles per hour over, and $5.00 for each additional mile per hour over that. Mrs. Jester’s rate of speed was _______ Difference from 75 mph _____ _____ + 5(___ - 10) Mr. Panter’s rate of speed was _______ Difference from 75 mph _____ _____ + 5(___ - 10) She owes $______ For speeding! He owes $______ For speeding! She owes $______ For speeding! Not speeding