Your math teacher is planning a test for you. The test will have 30 questions. Some of the questions will be worth 3 points, and the others will be worth 4 points. There will be a total of 100 points on the test. How many 3-point questions and how many 4- point questions will be on the test? Let the number of 3-point questions = z and the number of 4-point questions = y. (You have already solved this question using substitution in Lesson 3. Now solve it with elimination.) There will be 15 3-point questions and 15 4-point questions on the test. There will be 20 3-point questions and 10 4-point questions on the test. There will be 10 3-point questions and 20 4-point questions on the test. There will be 12 3-point questions and 18 4-point questions on the test.

Your math teacher is planning a test for you. The test will have 30 questions. Some of the questions will be worth 3 points, and the others will be worth 4 points. There will be a total of 100 points on the test. How many 3-point questions and how many 4- point questions will be on the test? Let the number of 3-point questions = z and the number of 4-point questions = y. (You have already solved this question using substitution in Lesson 3. Now solve it with elimination.) There will be 15 3-point questions and 15 4-point questions on the test. There will be 20 3-point questions and 10 4-point questions on the test. There will be 10 3-point questions and 20 4-point questions on the test. There will be 12 3-point questions and 18 4-point questions on the test.

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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