8. Exercise To keep in shape, you try to swim and run at x represent the amount of time you spend swimming in the amount of time you spend running in one week. a. Write an inequality that describes the number of hou exercise each week in terms of x and y. b. Graph the inequality. c. Give three possible combinations of hours that allow meet your goal. Debate Club The debate club at your school has 20 m Sophomores, juniors, and seniors may participate in thi Let x represent the number of sophomores and let y rep the number of juniors in this club. Write and graph an i that describes the different numbers of sophomores anc in the debate club.

8. Exercise To keep in shape, you try to swim and run at x represent the amount of time you spend swimming in the amount of time you spend running in one week. a. Write an inequality that describes the number of hou exercise each week in terms of x and y. b. Graph the inequality. c. Give three possible combinations of hours that allow meet your goal. Debate Club The debate club at your school has 20 m Sophomores, juniors, and seniors may participate in thi Let x represent the number of sophomores and let y rep the number of juniors in this club. Write and graph an i that describes the different numbers of sophomores anc in the debate club.

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter3: Graphs And Functions

Section3.4: Graph Linear Inequalities In Two Variables

Problem 278E: Elena needs to earn at least $450 a week during her summer break to pay for college. She works two...

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Elena needs to earn at least $450 a week during her summer break to pay for college. She works two jobs. One as a swimming instructor that pays $9 an hour and the other as an intern in a genetics lab for $22.50 per hour. How many hours does Elena need to work at each job to earn at least $450 per week? (a) Let x be the number of hours she works teaching swimming and let y be the number of hours she works as an intern. Write an inequality that would model this situation. (b) Graph the inequality. (c) Find three ordered pairs (x, y) that would be solutions to the inequality. Then, explain what that means for Elena.
Graph each linear inequality. 554. Hiro works two part time jobs in order to earn enough money to meet her obligations of at least $450 a week. Her job at the mall pays $10 an hour and her administrative assistant job on campus pays $15 an hour. How many hours does Hiro need to work at each job to earn at least $450? (a) Let x be the number of hours she works at the mall and let y be the number of hours she works as administrative assistant. Write an inequality that would model this situation. (b) Graph the inequality . (c) Find three ordered pairs (x,y) that would be solutions to the inequality. Then explain what that means for Hiro.
Shanthie needs to earn at least $500 a week during her summer break to pay for college. She works two jobs. One as a swimming instructor that pays $10an hour and the other as an intern in a law office for$25 hour. How many hours does Shanthie need to work at each job to earn at least $500 per week? (a) Let x be the number of hours she works teaching swimming and let y be the number of hours she worksas an intern. Write an inequality that would model thissituation. (b) Graph the inequality. (c) Find three ordered pairs (x,y) that would be solutions to the inequality. Then, explain what that means for Shanthie.
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Veronica works two part time jobs in order to earn enough money to meet her obligations of at least $280 a week. Her job at the day spa pays $10 an hour and her administrative assistant job on campus pays $17.50 an hour. How many hours does Veronica need to work at each job to earn at least $280? (a) Let x be the number of hours she works at the day spa and let y be the number of hours she works as administrative assistant. Write an inequality that would model this situation. (b) Graph the inequality. (c) Find three ordered pairs (x, y) that would be solutions to the inequality. Then, explain what that means for Veronica