1. Section 1.3.2 – Linear Inequalities (C) [All answers written in interval notation]

5. No Solution

6. This morning, Jim said “I lose 15 minutes of sleep every time Klondike (the dog) barks. Last night I got less than 5 hours of sleep. I usually sleep 8 hours.” How often did Klondike bark last night? Klondike barked at least 13 times last night

7. Brianne received $50 from her grandparents for her birthday. She makes $7.50 each week for odd jobs she does around the neighborhood. Since her birthday, she has saved more than enough to buy the $120 gift she wants to buy for her parents’ 20 th wedding anniversary. How many weeks ago was her birthday? Brianne’s birthday was at least 10 weeks ago

8. You have $50 and are going to Six Flags. You spend $25 for your discounted entrance fee and $15 for food. You want to play Skee- Ball which costs $0.75 per game. a)Write and solve an inequality to find the possible numbers of times you can play the game. b)If you play the game the maximum number of times, will you have spent the entire $50? Explain. a) You can play the game no more than 13 times b)If you play the game 13 times, you will have spent a total of 25 + 15 + 0.75(13) = $49.75. You will have $0.25 leftover.

9. Your Thermodynamics professor has announced that course grades will be computed by taking 40% of your project score (0 – 100 points) and adding 60% of your final exam score (0 – 100 points). If you got an 86 on your project, what scores can you get on the final exam to get a course grade of at least 90? You must score at least 93 on the final exam.

10. As a fundraiser, student council is selling pizzas. The goal of the pizza sale is to raise $400 for the homecoming dance. Each pizza has eight slices, and is being sold for $2 per slice. If the cost for each pizza is $5.50, how many slices must they sell to reach their goal of $400? Student council must sell at least 305 slices to reach their goal.