Noteables Interactive Study Notebook - McGraw-Hill Higher Education

1–7EXAMPLE Write an Equation to Solve a ProblemREVIEW ITExplain how to add adecimal and a wholenumber. (PrerequisiteSkill)ENTERTAINMENT An adult paid $18.50 for herself and twostudents to see a movie. If the two student tickets cost$11 together, what is the cost of the adult ticket?WordsVariableEquationThe cost of one adult ticket and two studenttickets is $18.50.Let a represent the cost of an adult movieticket.a + 11 = 18.50a + 11 = 18.50Write the equation.+ 11 = 18.50 Replace a with= 18.50 Simplify.to make the equation true.The numberis the solution of the equation. So, thecost of an adult movie ticket is .Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.HOMEWORKASSIGNMENTPage(s):Exercises:Check Your Progress ICE CREAM Julie spends $9.50 atthe ice cream parlor. She buys a hot fudge sundae for herselfand ice cream cones for each of the three friends who are withher. Find the cost of Julie’s sundae if the three ice cream conestogether cost $6.30.Math Connects, Course 2 17