Cumulative Review Exercises 175 35. 21q 52 6q 10 36. 14k 22 k 21k 62 37. The product of 2 and a number is the same as the total of 15 and the number. Find the number. 38. Two times the sum of a number and 8 is 10. Find the number. 39. A high school student sells magazine subscriptions for $15 each. Write an expression that represents the total cost of m magazines. 40. Alberto is 5 years older than Juan. If Juan’s age is represented by a, write an expression for Alberto’s age. 41. Monica and Phil each have part-time jobs. Monica makes twice as much money in a week as Phil. If the total of their weekly earnings is $756, how much does each person make? 42. A computer with a monitor costs $899. If the computer costs $241 more than the monitor, what is the price of the computer? What is the price of the monitor? 10. 14y 21y 92 21 11. 2 15 w2 312w2 12. Explain the difference between an expression and an equation. For Exercises 13–16, identify as either an expression or an equation. 13. 4x 5 14. 4x 5 2 15. 21q 32 6 16. 21q 32 6 For Exercises 17–36, solve the equation. 17. a 9 12 18. t 6 12 19. 7 10 x 20. 19 12 y 21. 4p 28 22. 3c 30 d 3 23. 24. 8 m 4 7 25. 6x 12 26. 6 x 12 x 6 27. 12 28. 6x 12 29. 4x 5 23 30. 9x 6 21 x 7 31. 32. z 2 3 4 1 11 33. 5h 2 h 22 34. 6p 3 15 2p Chapters 1–3 Cumulative Review Exercises 1. Identify the place value of the underlined digit. a. 34,911 b. 209,001 c. 5,901,888 For Exercises 2–4, round the number to the indicated place value. 2. 45,921; thousands 3. 1,285,000; ten-thousands 4. 25,449; hundreds 5. Divide 39,190 by 46. Identify the dividend, divisor, quotient, and remainder. 6. Sarah cleans three apartments in a weekend. The apartments have five, six, and four rooms, respectively. If she earns $300 for the weekend, how much does she make per room?
miller_prealgebra_2e_ch1_3
To see the actual publication please follow the link above