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ASSIGNMENT 1. The table shows the population of Washington, D.C., every 10 years from 1950 to 2000. a. Make a data display that shows the population for those years. b. In which year did the population decrease the most from 10 years earlier, and what was the approximate percent of change? c. Can you conclude […]
Multiple Choice 12. What is the prime factorization of 620? A. 2 e . 5 • 7 C. 22 • 5 • 31 B. 2 • 5 • 61 D. 27•5 13. What is the greatest common factor of 15x3y5 and 6xy2? F. 30x3y5 G. 3xy2 H. 3x3y5 I. 30xy2 14. Suppose you deposit $400 […]
ASSIGNMENT 1. For 5 days a week, you walk from home to school and back home. It takes you 14 minutes to walk each way. How many hours per week do you spend walking from home to school and back home? Write your answer as a mixed number. 2. You are ordering dinner at a […]
Use the given information to find the new amount. 1. Wholesale price: 5400 Markup percent: 110% 2. Original price: $650 3. Food bill: $30 Discount percent: 20% Sales tax: 6.5% 4. Bonds A $500 bond earns 6% simple annual interest. Find the total interest earned after 5 years. 5. Savings Account You deposit $1800 into […]
ASSIGNMENT Write the percent as a decimal or the decimal as a percent. 5. 68% 6. 42.5% 7. 0.9 8. 1.47 Find the percent of the number. 9. 75% of 68 10. 40% of 180 11. 27.5% of 300 12. 0.6% of 980 13. Baseball A baseball team won 55% of its 160 games during […]
ASSIGNMENT 27. Critical Thinking How long will it take you to double your principal when you deposit it into an account that earns 10% simple annual interest? Explain how you found your answer. 28. Challenge At the start of every year, you deposit $3000 into an account that earns 7% interest compounded annually. a. What […]
ASSIGNMENT 1. In the simple interest formula I = Prt, what does P represent? 2. I low is compound interest different from simple interest? For an account that earns simple annual Interest, find the interest and the balance of the account. 3. P = $500, r = 7%, t = 4 years 4. P = […]
ASSIGNMENT 27. Extended Problem Solving. The pizzas you order for home delivery cost $19. The sales tax is 4.9%, and you plan to give a 15% tip. a. Estimate Estimate the amount of the sales tax. b. Estimate Use mental math to estimate a 15% tip. Explain the method of estimation you use. c. Interpret […]
ASSIGNMENT 1. Copy and complete: The retail price of an item for sale is the sum of the wholesale price and the 1. 2. Describe two methods for finding the sale price of an item if you know the original price and the discount percent. In Exercises 3-6, use the given information to find the […]
ASSIGNMENT Find the sum or difference. (p. 774) 28. 5.98 + 3.72 29. 9 + 4.55 30. 3.4 — 1.9 31. 8.04 – 2.6 Algebra Basics Solve the equation. Check your solution. (Lesson 3.1) 32. 9 = 5n + 4 33. 6y + 1 = 19 34. 14 = 4w — 2 35. 9x – […]
