Elementary Algebra
17th Edition
ISBN: 9780998625713
Author: Lynn Marecek, MaryAnne Anthony-Smith
Publisher: OpenStax - Rice University
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Textbook Question
Chapter 5.6, Problem 5.115TI
Tension needs to eat at least an extra 1,000 calories a day to prepare for running a marathon. He has only $25 to spend on the extra food he needs and will spend it on $0.75 donuts which have 360 calories each and $2 energy drinks which have 110 calories.
(a) Write a system of inequalities that models this situation.
(b) Graph the system.
(c) Can he buy 8 donuts and 4 energy drinks?
(d) Can he buy 1 donut and 3 energy drinks?
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Elementary Algebra
Ch. 5.1 - Determine whether the ordered pair is a solution...Ch. 5.1 - Determine whether the ordered pair is a solution...Ch. 5.1 - Solve each system by graphing: {x3y=3x+y=5 .Ch. 5.1 - Solve each system by graphing: {x+y=13x+2y=12 .Ch. 5.1 - Solve each system by graphing: {y=2x+2y=x4 .Ch. 5.1 - Solve each system by graphing: {y=3x+3y=x+7 .Ch. 5.1 - Solve each system by graphing: {x+y=12x+y=10 .Ch. 5.1 - Solve each system by graphing: {2x+y=6x+y=1 .Ch. 5.1 - Solve each system by graphing: {x+y=6xy=2 .Ch. 5.1 - Solve each system by graphing: {x+y=2xy=8 .
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