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8 questions

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- Q1Jake sold x comic books and made $5 per book. He also received a $10 bonus. Which equation can represent the relationship between x and Jake's total earnings y?y = 10x - 5y = 10x + 5y = 5x - 10y = 5x + 1030s7.7: Expressions, Equations and Relationships
- Q2A phone company charges a flat rate of $20 plus $0.10 per minute for calls. Which equation represents the total monthly charge (y) for x minutes?y = 20x + 0.10y = 0.10x + 20y = 0.10x - 20y = 20x - 0.1030s7.7: Expressions, Equations and Relationships
- Q3A bakery charges $12 for a cake and $2 for each decoration added. Which equation can represent total cost (y) of a cake with x decorations?y = 12x + 2y = 2x + 12y = 2x - 12y = 12x - 230s7.7: Expressions, Equations and Relationships
- Q4A car travels at a constant speed of 50 miles per hour. How far will the car have traveled after 3 hours?100 miles150 miles53 miles1500 miles30s7.4.A: Proportionality
- Q5A bike travels at a constant rate of 12 miles every 2 hours. What is the speed of the bike?2 miles per hour12 miles per hour6 miles per hour24 miles per hour30s7.4.A: Proportionality
- Q6A tap fills a tank at a constant rate of 5 liters per minute. How long will it take to fill a 20 liter tank?20 minutes5 minutes4 minutes25 minutes30s7.4.A: Proportionality
- Q7Bob drives his car at a constant speed. He travels 180 miles in 3 hours. What is the constant of proportionality (k = y/x) when the number of hours (x) is 3 and the number of miles (y) is 180?90301206030s7.4.C: Proportionality
- Q8Jamie spent 5 days reading a book. Each day she read the same number of pages, completing a total of 250 pages. What is the constant of proportionality (k = y/x) when the number of days (x) is 5 and the number of pages (y) is 250?4555504030s7.4.C: Proportionality