Answered: 6) An office manager booked 55 airline…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter3: Solving Equation And Problems

Section3.4: Using Equations To Solve Problems

Problem 25P

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6) An office manager booked 55 airline tickets, divided among three airlines. He booked 7 more tickets on American Airlines than United Airlines. On Southwest Airlines, he booked four more than twice as many tickets as on United. How many tickets did he book on each airline?

United Airlines: X

Southwest Airlines: 2x+4

American Airlines: x+7

Total is 55

7) In a triangle, the measure of the first angle is twice the measure of the second angle. The measure of the third angle is 8 degrees less than the measure of the second angle. If the sum of the three angles of a triangle is 180; what is the measure of each angle?

Polygon with three sides, three angles, and three vertices. Based on the properties of each side, the types of triangles are scalene (triangle with three three different lengths and three different angles), isosceles (angle with two equal sides and two equal angles), and equilateral (three equal sides and three angles of 60°). The types of angles are acute (less than 90°); obtuse (greater than 90°); and right (90°).

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