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Math Teaser

Problem
If the cost of a 4-minute telephone call is $0.24, then the cost of a 15-minute call at the same rate is:

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acrimonious
Definition: (adjective) biting, harsh, caustic.
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Select the Chapter below that corresponds to your math book. Test yourself on hundreds of practice problems. Find step-by-step solutions if you get stuck.

•	Chapter 1: Points, Lines, Planes, Angles
•	Chapter 2: Logic and Proof
•	Chapter 3: Parallel Lines, Perpendicular Lines, Slopes, and Transversals
•	Chapter 4: Congruent Triangles and Triangle Relationships
•	Chapter 5: Quadrilaterals
•	Chapter 6: Similarity and Proportion
•	Chapter 7: Right Triangles and Trigonometry
•	Chapter 8: Transformations
•	Chapter 9: Circles
•	Chapter 10: Polygons and Areas of Plane Figures
•	Chapter 11: Surface Areas and Volumes of Solids
•	Chapter 12: Constructions