6-2 (continued) Solving Systems Using Substitution 17. A student bought 1 box of cravons and 5 reams of paper for $54. She bought 5 Doxes of crayons and 3 reams of paper for $50. What is the cost of each box of crayons and each ream of paper? 18. Suppose you got 8 mangoes and 3 apples for $18 and 3 mangoes and 5 apples for $14.50. How much does each mango and each apple cost? 19. A shopper purchased 4 tables and 2 chairs for $200 and 2 tables and 7 chairs for $400. What is the cost of each table and each chair? 20. If the length of the rectangle is twice the width, and the perimeter of the rectangle is 30 cm, what is length and width of the rectangle? 21. The population of a city is 2,500. If the number of males is 240 more than the number of females, how many males and females are there in the city? Solve each system by substitution. Tell whether the system has one solution, infinitely many solutions, or no solution. 23. x - 9y = -10 24. x = 22. 7x + 2y = -13 +1 6x + y = -5 -3х -8у 3 -23 y = 4x – 5 26. у %3D -8х -37 25. x- 2y-1 = 0 27. 3x + 6y = 18 %3D x+3y = 4 y- 5x + 14 = 0 3y = -r + %3D 29. 2х 3D Зу - 9 3y - 9 -3x + y = 10 28.5x-9y = 29 30. 5y = 7x +22 %3D 12x + y = 47 %3D X = -6y + 1

6-2 (continued) Solving Systems Using Substitution 17. A student bought 1 box of cravons and 5 reams of paper for $54. She bought 5 Doxes of crayons and 3 reams of paper for $50. What is the cost of each box of crayons and each ream of paper? 18. Suppose you got 8 mangoes and 3 apples for $18 and 3 mangoes and 5 apples for $14.50. How much does each mango and each apple cost? 19. A shopper purchased 4 tables and 2 chairs for $200 and 2 tables and 7 chairs for $400. What is the cost of each table and each chair? 20. If the length of the rectangle is twice the width, and the perimeter of the rectangle is 30 cm, what is length and width of the rectangle? 21. The population of a city is 2,500. If the number of males is 240 more than the number of females, how many males and females are there in the city? Solve each system by substitution. Tell whether the system has one solution, infinitely many solutions, or no solution. 23. x - 9y = -10 24. x = 22. 7x + 2y = -13 +1 6x + y = -5 -3х -8у 3 -23 y = 4x – 5 26. у %3D -8х -37 25. x- 2y-1 = 0 27. 3x + 6y = 18 %3D x+3y = 4 y- 5x + 14 = 0 3y = -r + %3D 29. 2х 3D Зу - 9 3y - 9 -3x + y = 10 28.5x-9y = 29 30. 5y = 7x +22 %3D 12x + y = 47 %3D X = -6y + 1

Name: I am needing help with question 20. I do not understand it. 6-2(contin
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Description: I am needing help with question 20. I do not understand it. 6-2(continued)Solving Systems Using Substitution17. A student bought 1 box of cravons and 5 reams of paper for $54. She bought 5Doxes of crayons and 3 reams of paper for $50. What is the cos

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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