10. If a person bikes 2.4 miles in 10 minutes, Number 6 12 20 how far can he bike in 1.5 hours? of Cookies Cost ($) 11. Explain how to simplify this complex 14. A car traveled at a constant fraction. Interpret the meaning of the speed of result. 45 miles per hour. Make a graph to show how the distance traveled in miles is related to the time in hours. Use the graph for 15–16. 15. What equation shows the line through the data points on the graph? 12. Find k, the constant of proportionality, for the data in this Then write an equation for the relationship. 16. Write an equation for someone saving x 25 50 75 100 more money per week. Add a line to the graph for this equation. y 160 320 480 640 17. An object travels miles in one-half hour. 13. Create a table that shows a proportional What is its speed? relationship. Do not use an integer for the constant of proportionality. Ratios and Proportionality Module Quiz: D 1. A student used the complex fraction B $0.45 below to find a unit rate. C $2.22 4. Which table shows a constant rate of Which quotient equals the fraction? change? A A Hours 2 7 14 B Earnings ($) 40 60 80 C 2. speed is the fastest? B Hours 2 7 14 A 4 miles in hour Earnings ($) 40 140 280 B mile in 4 hours C mile in 3 hours C Hours 2 7 14 3. If 4.5 pounds of cherries cost $10, what is Earnings ($) 40 70 140 the unit price per pound? A $0.22 5. A student studies the same
10. If a person bikes 2.4 miles in 10 minutes, how far can he bike in 1.5 hours? 11. Explain how to simplify this complex fraction. Interpret the meaning of the result. 12. Find k, the constant of proportionality, for the data in this Then write an equation for the relationship. x 25 50 75 100 y 160 320 480 640 13. Create a table that shows a proportional relationship. Do not use an integer for the constant of proportionality. Number of Cookies 6 12 20 Cost ($) 14. A car traveled at a constant speed of 45 miles per hour. Make a graph to show how the distance traveled in miles is related to the time in hours. Use the graph for 15–16. 15. What equation shows the line through the data points on the graph? 16. Write an equation for someone saving more money per week. Add a line to the graph for this equation. 17. An object travels miles in one-half hour. What is its speed? Ratios and Proportionality Module Quiz: D 1. A student used the complex fraction below to find a unit rate. Which quotient equals the fraction? A B C 2. speed is the fastest? A 4 miles in hour B mile in 4 hours C mile in 3 hours 3. If 4.5 pounds of cherries cost $10, what is the unit price per pound? A $0.22 B $0.45 C $2.22 4. Which table shows a constant rate of change? A Hours 2 7 14 Earnings ($) 40 60 80 B Hours 2 7 14 Earnings ($) 40 140 280 C Hours 2 7 14 Earnings ($) 40 70 140 5. A student studies the same